fix: change references github.com -> git.nas-technologies.com

LICENSE

@@ -1,201 +1,17 @@
-                                 Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
+Non-AI Software License (MIT-Inspired)
 
-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+Copyright (c) 2026, Levente Adam Batuska
 
-   1. Definitions.
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 
-      "License" shall mean the terms and conditions for use, reproduction,
-      and distribution as defined by Sections 1 through 9 of this document.
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 
-      "Licensor" shall mean the copyright owner or entity authorized by
-      the copyright owner that is granting the License.
+In addition, the following restrictions apply:
 
-      "Legal Entity" shall mean the union of the acting entity and all
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-      control with that entity. For the purposes of this definition,
-      "control" means (i) the power, direct or indirect, to cause the
-      direction or management of such entity, whether by contract or
-      otherwise, or (ii) ownership of fifty percent (50%) or more of the
-      outstanding shares, or (iii) beneficial ownership of such entity.
+1. The Software and any modifications made to it may not be used for the purpose of training or improving machine learning algorithms, including but not limited to artificial intelligence, natural language processing, or data mining. This condition applies to any derivatives, modifications, or updates based on the Software code. Any usage of the Software in an AI-training dataset is considered a breach of this License.
 
-      "You" (or "Your") shall mean an individual or Legal Entity
-      exercising permissions granted by this License.
+2. The Software may not be included in any dataset used for training or improving machine learning algorithms, including but not limited to artificial intelligence, natural language processing, or data mining.
 
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+3. Any person or organization found to be in violation of these restrictions will be subject to legal action and may be held liable for any damages resulting from such use.
 
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-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
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-       http://www.apache.org/licenses/LICENSE-2.0
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+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

assert/assert.go

@@ -26,7 +26,7 @@ func file_func_line() (string, string, int) {
 func IsNillable(kind reflect.Kind) bool {
 	switch kind {
 	// based on reflect/type.go -> Kind
-	case reflect.Ptr, reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Slice, reflect.UnsafePointer:
+	case reflect.Pointer, reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Slice, reflect.UnsafePointer:
 		return true
 	default:
 		return false

assert/assert_test.go

@@ -3,7 +3,7 @@ package Assert
 import (
 	"testing"
 
-	Testing "github.com/lbatuska/goutils/testing"
+	Testing "git.nas-technologies.com/lbatuska/goutils/testing"
 )
 
 func Test_notNil(t *testing.T) {

go.mod

@@ -1,3 +1,3 @@
-module github.com/lbatuska/goutils
+module git.nas-technologies.com/lbatuska/goutils
 
 go 1.23.0

logger/consolelogger.go

@@ -48,6 +48,14 @@ func (logger *ConsoleLoggerImpl) WriteErrRequest(err error, uuid string) (errnum
 	return errnum
 }
 
+func (logger *ConsoleLoggerImpl) WriteErrMsgRequest(err error, message string, uuid string) (errnum int) {
+	if err != nil {
+		logger.Write(uuid + " " + message + ": Error: " + err.Error())
+		errnum = 1
+	}
+	return errnum
+}
+
 func (logger *ConsoleLoggerImpl) WriteDebug(message string) {
 	if DEBUG {
 		logger.Write(message)

logger/filelogger.go

@@ -76,8 +76,8 @@ func (logger *FileLoggerImpl) Write(message string) {
 	logger.messages <- time.Now().Format(time.UnixDate) + " : " + message + "\n"
 }
 
-func (logger *FileLoggerImpl) WriteRequest(message string, request string) {
-	logger.Write(request + " : " + message)
+func (logger *FileLoggerImpl) WriteRequest(message string, uuid string) {
+	logger.Write(uuid + " : " + message)
 }
 
 func (logger *FileLoggerImpl) WriteErr(err error) (errnum int) {
@@ -96,6 +96,14 @@ func (logger *FileLoggerImpl) WriteErrRequest(err error, uuid string) (errnum in
 	return errnum
 }
 
+func (logger *FileLoggerImpl) WriteErrMsgRequest(err error, message string, uuid string) (errnum int) {
+	if err != nil {
+		logger.Write(uuid + " " + message + ": Error: " + err.Error())
+		errnum = 1
+	}
+	return errnum
+}
+
 func (logger *FileLoggerImpl) WriteDebug(message string) {
 	if DEBUG {
 		logger.Write(message)
@@ -123,3 +131,23 @@ func (logger *FileLoggerImpl) WriteErrRequestDebug(err error, uuid string) (errn
 	}
 	return errnum
 }
+
+func (logger *FileLoggerImpl) WriteErrMsgRequestDebug(err error, message string, uuid string) (errnum int) {
+	if err != nil {
+		if DEBUG {
+			logger.WriteErrMsgRequest(err, message, uuid)
+		}
+		errnum = 1
+	}
+	return errnum
+}
+
+func (logger *ConsoleLoggerImpl) WriteErrMsgRequestDebug(err error, message string, uuid string) (errnum int) {
+	if err != nil {
+		if DEBUG {
+			logger.WriteErrMsgRequest(err, message, uuid)
+		}
+		errnum = 1
+	}
+	return errnum
+}

logger/interfaces.go

@@ -26,6 +26,8 @@ type (
 		// If an error that is not nill passed in it logs the error and returns 1, otherwise 0
 		WriteErr(error) int
 		WriteErrRequest(err error, uuid string) int
+
+		WriteErrMsgRequest(err error, message string, uuid string) int
 	}
 	// Use _DEBUG prints to strip them out of release builds
 	DebugLogger interface {
@@ -38,6 +40,8 @@ type (
 		WriteRequestDebug(message string, uuid string)
 		WriteErrDebug(err error) (errnum int)
 		WriteErrRequestDebug(err error, uuid string) int
+
+		WriteErrMsgRequestDebug(err error, message string, uuid string) int
 	}
 )
 
@@ -46,4 +50,5 @@ var (
 	_ Logger = (*NullLoggerImpl)(nil)
 	_ Logger = (*ConsoleLoggerImpl)(nil)
 	_ Logger = (*FileLoggerImpl)(nil)
+	_ Logger = (*SlogLoggerImpl)(nil)
 )

logger/nulllogger.go

@@ -8,7 +8,7 @@ func (logger *NullLoggerImpl) StopLogger() {}
 
 func (logger *NullLoggerImpl) Write(message string) {}
 
-func (logger *NullLoggerImpl) WriteRequest(message string, request string) {}
+func (logger *NullLoggerImpl) WriteRequest(message string, uuid string) {}
 
 func (logger *NullLoggerImpl) WriteErr(err error) (errnum int) {
 	if err != nil {
@@ -17,7 +17,14 @@ func (logger *NullLoggerImpl) WriteErr(err error) (errnum int) {
 	return errnum
 }
 
-func (logger *NullLoggerImpl) WriteErrRequest(err error, request string) (errnum int) {
+func (logger *NullLoggerImpl) WriteErrRequest(err error, uuid string) (errnum int) {
+	if err != nil {
+		errnum = 1
+	}
+	return errnum
+}
+
+func (logger *NullLoggerImpl) WriteErrMsgRequest(err error, message string, uuid string) (errnum int) {
 	if err != nil {
 		errnum = 1
 	}
@@ -41,3 +48,10 @@ func (logger *NullLoggerImpl) WriteErrRequestDebug(err error, uuid string) (errn
 	}
 	return errnum
 }
+
+func (logger *NullLoggerImpl) WriteErrMsgRequestDebug(err error, message string, uuid string) (errnum int) {
+	if err != nil {
+		errnum = 1
+	}
+	return errnum
+}

logger/sloglogger.go

@@ -0,0 +1,83 @@
+package Logger
+
+import "log/slog"
+
+func (lgr *SlogLoggerImpl) init() {}
+
+func (logger *SlogLoggerImpl) StartLogger() {}
+
+func (logger *SlogLoggerImpl) StopLogger() {}
+
+func (logger *SlogLoggerImpl) Write(message string) {
+	slog.Info(message)
+}
+
+func (logger *SlogLoggerImpl) WriteRequest(message string, uuid string) {
+	slog.Info(message, "UUID", uuid)
+}
+
+func (logger *SlogLoggerImpl) WriteErr(err error) (errnum int) {
+	if err != nil {
+		slog.Error(err.Error())
+		errnum = 1
+	}
+	return errnum
+}
+
+func (logger *SlogLoggerImpl) WriteErrRequest(err error, uuid string) (errnum int) {
+	if err != nil {
+		slog.Error(err.Error(), "UUID", uuid)
+		errnum = 1
+	}
+	return errnum
+}
+
+func (logger *SlogLoggerImpl) WriteErrMsgRequest(err error, message string, uuid string) (errnum int) {
+	if err != nil {
+		slog.Error(message+err.Error(), "UUID", uuid)
+		errnum = 1
+	}
+	return errnum
+}
+
+func (logger *SlogLoggerImpl) WriteDebug(message string) {
+	if DEBUG {
+		logger.Write(message)
+	}
+}
+
+func (logger *SlogLoggerImpl) WriteRequestDebug(message string, uuid string) {
+	if DEBUG {
+		logger.WriteRequest(message, uuid)
+	}
+}
+
+func (logger *SlogLoggerImpl) WriteErrDebug(err error) (errnum int) {
+	if err != nil {
+		if DEBUG {
+			logger.WriteErr(err)
+		}
+		errnum = 1
+	}
+	return errnum
+}
+
+func (logger *SlogLoggerImpl) WriteErrRequestDebug(err error, uuid string) (errnum int) {
+	if err != nil {
+		if DEBUG {
+			logger.WriteErrRequest(err, uuid)
+		}
+		errnum = 1
+	}
+	return errnum
+}
+
+func (logger *SlogLoggerImpl) WriteErrMsgRequestDebug(err error, message string, uuid string) (errnum int) {
+	if err != nil {
+		if DEBUG {
+			logger.WriteErrMsgRequest(err, message, uuid)
+		}
+		errnum = 1
+	}
+	return errnum
+}

logger/types.go

@@ -20,3 +20,5 @@ type FileLoggerImpl struct {
 	filepath     string
 	initfilepath string
 }
+
+type SlogLoggerImpl struct{}

simplerouter/router.go

@@ -8,12 +8,26 @@ import (
 	"os/signal"
 	"syscall"
 	"time"
+
+	Type "git.nas-technologies.com/lbatuska/goutils/type"
 )
 
-func (rg *RouteGroup) StartServer(addr string) *http.Server {
-	server := &http.Server{
-		Addr:    addr,
-		Handler: rg,
+func (rg *RouteGroup) StartServer(addr string, config Type.Optional[ServerConfig]) *http.Server {
+	var server *http.Server
+	if config.HasValue() {
+		serverConfig := config.Unwrap()
+		server = &http.Server{
+			Addr:              addr,
+			Handler:           rg,
+			ReadTimeout:       serverConfig.ReadTimeout,
+			ReadHeaderTimeout: serverConfig.ReadHeaderTimeout,
+			WriteTimeout:      serverConfig.WriteTimeout,
+		}
+	} else {
+		server = &http.Server{
+			Addr:    addr,
+			Handler: rg,
+		}
 	}
 
 	go func() {
@@ -25,10 +39,22 @@ func (rg *RouteGroup) StartServer(addr string) *http.Server {
 	return server
 }
 
-func (rg *RouteGroup) StartWithGracefulShutdown(addr string) {
-	server := &http.Server{
-		Addr:    addr,
-		Handler: rg, // This will use your RouteGroup (with ServeMux) as the handler
+func (rg *RouteGroup) StartWithGracefulShutdown(addr string, config Type.Optional[ServerConfig]) {
+	var server *http.Server
+	if config.HasValue() {
+		serverConfig := config.Unwrap()
+		server = &http.Server{
+			Addr:              addr,
+			Handler:           rg,
+			ReadTimeout:       serverConfig.ReadTimeout,
+			ReadHeaderTimeout: serverConfig.ReadHeaderTimeout,
+			WriteTimeout:      serverConfig.WriteTimeout,
+		}
+	} else {
+		server = &http.Server{
+			Addr:    addr,
+			Handler: rg,
+		}
 	}
 
 	// Start the server in a separate goroutine
@@ -66,9 +92,9 @@ func (rg *RouteGroup) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		rg.mux.ServeHTTP(w, r)
 	})
 
-	mwlen := len(rg.global_middlewares) - 1
-	for i := range rg.global_middlewares {
-		handler = rg.global_middlewares[mwlen-i](handler)
+	mwlen := len(*rg.global_middlewares) - 1
+	for i := range *rg.global_middlewares {
+		handler = (*rg.global_middlewares)[mwlen-i](handler)
 	}
 
 	handler.ServeHTTP(w, r)
@@ -81,7 +107,7 @@ func (rg *RouteGroup) Handler(r *http.Request) (h http.Handler, pattern string)
 
 // Creates a new SimpleRouter with the basePath of "/"
 func SimpleRouter() *RouteGroup {
-	return &RouteGroup{mux: http.NewServeMux(), basePath: "/"}
+	return &RouteGroup{mux: http.NewServeMux(), basePath: "/", global_middlewares: &[]Middleware{}}
 }
 
 // Puts middlewares on top of existing ones in order
@@ -105,20 +131,21 @@ func (rg *RouteGroup) PopMiddleware() Middleware {
 	return lastMiddleware
 }
 
+// this vs PushMiddleware ? what's the diff?
 func (rg *RouteGroup) PushGlobalMiddleware(first Middleware, others ...Middleware) *RouteGroup {
-	rg.global_middlewares = append(rg.global_middlewares, first)
-	rg.global_middlewares = append(rg.global_middlewares, others...)
+	*rg.global_middlewares = append(*rg.global_middlewares, first)
+	*rg.global_middlewares = append(*rg.global_middlewares, others...)
 	return rg
 }
 
 func (rg *RouteGroup) PopGlobalMiddleware() Middleware {
-	if len(rg.global_middlewares) == 0 {
+	if len(*rg.global_middlewares) == 0 {
 		return nil
 	}
 
-	lastIndex := len(rg.global_middlewares) - 1
-	lastMiddleware := rg.global_middlewares[lastIndex]
-	rg.global_middlewares = rg.global_middlewares[:lastIndex]
+	lastIndex := len(*rg.global_middlewares) - 1
+	lastMiddleware := (*rg.global_middlewares)[lastIndex]
+	*rg.global_middlewares = (*rg.global_middlewares)[:lastIndex]
 
 	return lastMiddleware
 }
@@ -146,8 +173,9 @@ func (rg *RouteGroup) registerRoute(method string, path string, handler http.Han
 
 func (rg *RouteGroup) SubPath(path string) *RouteGroup {
 	rgc := &RouteGroup{
-		mux:      rg.mux,
-		basePath: rg.basePath + path + "/",
+		mux:                rg.mux,
+		basePath:           rg.basePath + path + "/",
+		global_middlewares: rg.global_middlewares,
 	}
 	middlewares := make([]Middleware, len(rg.middlewares))
 	copy(middlewares, rg.middlewares)

simplerouter/router_test.go

@@ -8,7 +8,8 @@ import (
 	"testing"
 	"time"
 
-	Testing "github.com/lbatuska/goutils/testing"
+	Testing "git.nas-technologies.com/lbatuska/goutils/testing"
+	Type "git.nas-technologies.com/lbatuska/goutils/type"
 )
 
 func setupServer(wg *sync.WaitGroup) {
@@ -23,7 +24,7 @@ func setupServer(wg *sync.WaitGroup) {
 		w.WriteHeader(200)
 	}))
 
-	simpleRouter.StartWithGracefulShutdown("0.0.0.0:8080")
+	simpleRouter.StartWithGracefulShutdown("0.0.0.0:8080", Type.None[ServerConfig]())
 }
 
 func sendKillSignal(wg *sync.WaitGroup) {
@@ -192,12 +193,24 @@ func Test_globalMiddlewares(t *testing.T) {
 		})
 	}
 	simpleRouter := SimpleRouter()
+	simpleRouter2 := simpleRouter.SubPath("2")
+
 	simpleRouter.PushGlobalMiddleware(gmw1)
 	simpleRouter.PushGlobalMiddleware(gmw2)
 	simpleRouter.PushMiddleware(mw1, mw2)
 	simpleRouter.GET("test", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {}))
 	simpleRouter.GET("test2", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {}))
 
+	// Subpath
+	simpleRouter2.GET("test", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {}))
+	_ts := httptest.NewServer(simpleRouter2)
+	_req, _ := http.NewRequest("GET", _ts.URL+"/2/test", nil)
+	_, _err := http.DefaultClient.Do(_req)
+	Testing.AssertNotError(t, _err)
+	Testing.AssertEqual(t, 12, counter)
+	counter = 0
+	// Subpath
+
 	ts := httptest.NewServer(simpleRouter)
 	req, _ := http.NewRequest("GET", ts.URL+"/test", nil)
 	_, err := http.DefaultClient.Do(req)

simplerouter/types.go

@@ -1,6 +1,9 @@
 package SimpleRouter
 
-import "net/http"
+import (
+	"net/http"
+	"time"
+)
 
 type Middleware func(http.Handler) http.Handler
 
@@ -8,5 +11,11 @@ type RouteGroup struct {
 	mux                *http.ServeMux // A ponter to the underlying ServeMux, this allows us to call ListenAndServe on any instance
 	basePath           string         // The current path we are defining handlers on / appending to
 	middlewares        []Middleware   // Stack of middlewares that will be applied on a handler in order
-	global_middlewares []Middleware
+	global_middlewares *[]Middleware
+}
+
+type ServerConfig struct {
+	ReadTimeout       time.Duration
+	ReadHeaderTimeout time.Duration
+	WriteTimeout      time.Duration
 }

type/interfaces.go

@@ -1,10 +1,20 @@
 package Type
 
+import (
+	"database/sql"
+	"database/sql/driver"
+	"encoding/json"
+)
+
 // Created to abstract over Is_some and Is_ok
 type ValueContainer interface {
 	HasValue() bool
 }
 
+type Recoverable[T any] interface {
+	CatchUnwrap(T)
+}
+
 type Unwrappable[T any] interface {
 	Expect(string) T         // panics with a provided custom message
 	Unwrap() T               // panics with a generic message
@@ -24,7 +34,8 @@ type Optionaler[T any] interface {
 	IsNone() bool
 	OkOr(error) Result[T]
 	OkOrElse(func() error) Result[T]
-	Unwrappable[T]
+	Optioner[T]
+	OptionalerMarker
 }
 
 type Resulter[T any] interface {
@@ -32,15 +43,36 @@ type Resulter[T any] interface {
 	IsErr() bool
 	Ok() Optional[T]
 	Err() Optional[error]
-	Unwrappable[T]
+	Optioner[T]
+	ResulterMarker
 }
 
+// Marker interfaces to help type matching
+type (
+	ResulterMarker interface {
+		Result()
+	}
+	OptionalerMarker interface {
+		Optional()
+	}
+)
+
 // Ensure compile time the interfaces are implemented
 var (
-	_ Optioner[any]   = (*Optional[any])(nil)
-	_ Optioner[any]   = (*Result[any])(nil)
-	_ Optionaler[any] = (*Optional[any])(nil)
-	_ Resulter[any]   = (*Result[any])(nil)
-	_ ValueContainer  = (*Optional[any])(nil)
-	_ ValueContainer  = (*Result[any])(nil)
+	_ OptionalerMarker = (*Optional[any])(nil)
+	_ ResulterMarker   = (*Result[any])(nil)
+	_ Optioner[any]    = (*Optional[any])(nil)
+	_ Optioner[any]    = (*Result[any])(nil)
+	_ Optionaler[any]  = (*Optional[any])(nil)
+	_ Resulter[any]    = (*Result[any])(nil)
+	_ ValueContainer   = (*Optional[any])(nil)
+	_ ValueContainer   = (*Result[any])(nil)
+	_ sql.Scanner      = (*Optional[any])(nil)
+	_ sql.Scanner      = (*Result[any])(nil)
+	_ driver.Valuer    = (*Optional[any])(nil)
+	_ driver.Valuer    = (*Result[any])(nil)
+	_ json.Marshaler   = (*Optional[any])(nil)
+	_ json.Marshaler   = (*Result[any])(nil)
+	_ json.Unmarshaler = (*Optional[any])(nil)
+	_ json.Unmarshaler = (*Result[any])(nil)
 )

type/optional.go

@@ -1,6 +1,19 @@
 package Type
 
-import Assert "github.com/lbatuska/goutils/assert"
+import (
+	"database/sql"
+	"database/sql/driver"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"reflect"
+	"time"
+
+	Assert "git.nas-technologies.com/lbatuska/goutils/assert"
+)
+
+// Marker interface impl
+func (opt Optional[T]) Optional() {}
 
 // CTORS BEGIN
 func Some[T any](value T) Optional[T] {
@@ -40,8 +53,7 @@ func (opt *Optional[T]) HasValue() bool {
 }
 
 // UNWRAPPABLE INTERFACE BEGIN
-func (opt *Optional[T]) Expect(msg string) T {
-	Assert.NotNil(opt)
+func (opt Optional[T]) Expect(msg string) T {
 	if opt.present {
 		return opt.value
 	}
@@ -49,11 +61,13 @@ func (opt *Optional[T]) Expect(msg string) T {
 }
 
 func (opt *Optional[T]) Unwrap() T {
-	Assert.NotNil(opt)
+	if opt == nil {
+		panic("Tried unwrapping an Optional that did not have a value!")
+	}
 	if opt.present {
 		return opt.value
 	}
-	panic("Tried unwrapping an Optional that did not have a value!")
+	panic(opt)
 }
 
 func (opt *Optional[T]) UnwrapOr(val T) T {
@@ -106,3 +120,214 @@ func (opt *Optional[T]) OkOrElse(f func() error) Result[T] {
 	}
 	return Err[T](f())
 }
+
+func (opt *Optional[T]) Scan(src interface{}) error {
+	Assert.NotNil(opt)
+	opt.present = false
+	// DB had a null value
+	if src == nil {
+		return nil
+	}
+
+	// If T is a scanner (Scan is usually implemented on pointers so we need a pointer)
+	var scanner sql.Scanner = nil
+	var ok bool = false
+	if reflect.TypeOf(opt.value).Kind() == reflect.Ptr {
+		scanner, ok = any(opt.value).(sql.Scanner)
+	} else {
+		scanner, ok = any(&opt.value).(sql.Scanner)
+	}
+	if ok {
+		if err := scanner.Scan(src); err != nil {
+			return err
+		}
+		opt.present = true
+		return nil
+	}
+
+	if scanres := opt.scanBuiltin(src); scanres.IsSome() {
+		return scanres.Unwrap()
+	}
+
+	return fmt.Errorf("Unsupported type %T or differs from Optional[%T], and the type doesn't implement sql.Scanner!", src, opt.value)
+}
+
+func (opt *Optional[T]) scanBuiltin(src interface{}) Optional[error] {
+	opt.present = false
+	// First handle the special cases where we allow conversion between types
+	// This is usually just parsing []byte into type
+	if scanres := opt.scanTimeSpecial(src); scanres.IsSome() {
+		return scanres
+	}
+	if scanres := opt.scanStringSpecial(src); scanres.IsSome() {
+		return scanres
+	}
+
+	srcVal := reflect.ValueOf(src)
+	optType := reflect.TypeOf(opt.value)
+
+	optElemType := optType
+	if optElemType.Kind() == reflect.Pointer {
+		optElemType = optElemType.Elem()
+	}
+
+	srcElemType := srcVal.Type()
+	if srcElemType.Kind() == reflect.Pointer {
+		srcElemType = srcElemType.Elem()
+	}
+
+	if srcElemType != optElemType {
+		return Some(fmt.Errorf("Optional[%T] (aka %T) differs from %T!", opt.value, opt.value, src))
+	}
+
+	if optType.Kind() == reflect.Pointer {
+		if srcVal.Kind() == reflect.Pointer {
+			opt.value = srcVal.Interface().(T)
+		} else {
+			newPtr := reflect.New(optElemType)
+			newPtr.Elem().Set(srcVal)
+			opt.value = newPtr.Interface().(T)
+		}
+	} else {
+		if srcVal.Kind() == reflect.Pointer {
+			opt.value = srcVal.Elem().Interface().(T)
+		} else {
+			opt.value = srcVal.Interface().(T)
+		}
+	}
+	opt.present = true
+	return Some[error](nil)
+}
+
+func (opt *Optional[T]) scanStringSpecial(src interface{}) Optional[error] {
+	opt.present = false
+	switch v := any(opt.value).(type) {
+	case *string:
+		switch s := src.(type) {
+		case []byte:
+			*v = string(s)
+			goto ok
+		case *[]byte:
+			*v = string(*s)
+			goto ok
+		}
+	case string:
+		switch s := src.(type) {
+		case []byte:
+			reflect.ValueOf(&opt.value).Elem().Set(reflect.ValueOf(string(s)))
+			goto ok
+		case *[]byte:
+			reflect.ValueOf(&opt.value).Elem().Set(reflect.ValueOf(string(*s)))
+			goto ok
+		}
+	}
+	return None[error]()
+ok:
+	opt.present = true
+	return Some[error](nil)
+}
+
+func (opt *Optional[T]) scanTimeSpecial(src interface{}) Optional[error] {
+	opt.present = false
+	switch v := any(opt.value).(type) {
+	case *time.Time:
+		switch t := src.(type) {
+		case []byte:
+			parsedTime, err := time.Parse(time.RFC3339, string(t))
+			if err == nil {
+				*v = parsedTime
+				goto ok
+			} else {
+				return Some(err)
+			}
+		case *[]byte:
+			parsedTime, err := time.Parse(time.RFC3339, string(*t))
+			if err == nil {
+				*v = parsedTime
+				goto ok
+			} else {
+				return Some(err)
+			}
+		}
+	case time.Time:
+		switch t := src.(type) {
+		case []byte:
+			parsedTime, err := time.Parse(time.RFC3339, string(t))
+			if err == nil {
+				reflect.ValueOf(&opt.value).Elem().Set(reflect.ValueOf(parsedTime))
+				goto ok
+			} else {
+				return Some(err)
+			}
+		case *[]byte:
+			parsedTime, err := time.Parse(time.RFC3339, string(*t))
+			if err == nil {
+				reflect.ValueOf(&opt.value).Elem().Set(reflect.ValueOf(parsedTime))
+				goto ok
+			} else {
+				return Some(err)
+			}
+		}
+
+	}
+	return None[error]()
+ok:
+	opt.present = true
+	return Some[error](nil)
+}
+
+func (opt Optional[T]) MarshalJSON() ([]byte, error) {
+	if !opt.present {
+		// Return null for `omitempty` compatibility
+		return []byte("null"), nil
+		// panic("Tried to marshal an Optional that did not have a value!")
+	}
+	return json.Marshal(opt.value)
+}
+
+func (opt *Optional[T]) UnmarshalJSON(data []byte) error {
+	if string(data) == "null" {
+		opt.present = false
+		return nil
+	}
+	var value T
+	if err := json.Unmarshal(data, &value); err != nil {
+		return err
+	}
+	opt.value = value
+	opt.present = true
+	return nil
+}
+
+func (opt Optional[T]) Value() (driver.Value, error) {
+	if !opt.present {
+		return nil, nil
+	}
+
+	if valuer, ok := any(opt.value).(driver.Valuer); ok {
+		return valuer.Value()
+	}
+
+	switch v := any(opt.Value).(type) {
+
+	case string, bool,
+		int, int8, int16, int32, int64,
+		uint, uint8, uint16, uint32, uint64, uintptr,
+		float32, float64,
+		complex64, complex128:
+		return v, nil
+
+	case *string, *bool,
+		*int, *int8, *int16, *int32, *int64,
+		*uint, *uint8, *uint16, *uint32, *uint64, *uintptr,
+		*float32, *float64,
+		*complex64, *complex128:
+		return v, nil
+
+	case fmt.Stringer:
+		return v.String(), nil
+
+	default:
+		return nil, errors.New("unsupported type for Optional")
+	}
+}

type/optional_test.go

@@ -4,7 +4,7 @@ import (
 	"errors"
 	"testing"
 
-	Testing "github.com/lbatuska/goutils/testing"
+	Testing "git.nas-technologies.com/lbatuska/goutils/testing"
 )
 
 var (
@@ -18,6 +18,23 @@ var (
 	nilOptional = (*Optional[int])(nil)
 )
 
+func Test_optionalScan(t *testing.T) {
+	a := None[string]()
+	b := None[string]()
+	c := Some("Not C!")
+	d := None[int]()
+	e := Some(Ptr("Not E!"))
+	a.Scan("a")
+	b.Scan("b")
+	c.Scan(Ptr("c"))
+	e.Scan(Ptr("e"))
+	Testing.AssertEqual(t, "a", a.Unwrap())
+	Testing.AssertEqual(t, "b", b.Unwrap())
+	Testing.AssertEqual(t, "c", c.Unwrap())
+	Testing.AssertPanic(t, func() { d.Unwrap() })
+	Testing.AssertEqual(t, "e", *e.Unwrap())
+}
+
 func Test_optionalSome(t *testing.T) {
 	Testing.AssertEqual(t, x, y)
 	Testing.AssertEqual(t, v, u)

type/result.go

@@ -1,11 +1,20 @@
 package Type
 
 import (
+	"database/sql"
+	"database/sql/driver"
+	"encoding/json"
 	"errors"
+	"fmt"
+	"reflect"
+	"time"
 
-	Assert "github.com/lbatuska/goutils/assert"
+	Assert "git.nas-technologies.com/lbatuska/goutils/assert"
 )
 
+// Marker interface impl
+func (res Result[T]) Result() {}
+
 // CTORS BEGIN
 func Ok[T any](value T) Result[T] {
 	return Result[T]{value: value, err: nil}
@@ -43,8 +52,7 @@ func (res *Result[T]) HasValue() bool {
 }
 
 // UNWRAPPABLE INTERFACE
-func (res *Result[T]) Expect(msg string) T {
-	Assert.NotNil(res)
+func (res Result[T]) Expect(msg string) T {
 	if res.err == nil {
 		return res.value
 	}
@@ -52,11 +60,13 @@ func (res *Result[T]) Expect(msg string) T {
 }
 
 func (res *Result[T]) Unwrap() T {
-	Assert.NotNil(res)
+	if res == nil {
+		panic("Tried unwrapping a Result that had an error value!")
+	}
 	if res.err == nil {
 		return res.value
 	}
-	panic("Tried unwrapping a Result that had an error value!")
+	panic(res)
 }
 
 func (res *Result[T]) UnwrapOr(val T) T {
@@ -134,3 +144,223 @@ func (res *Result[T]) Err() Optional[error] {
 	}
 	return Optional[error]{present: false}
 }
+
+func (res *Result[T]) Scan(src interface{}) error {
+	Assert.NotNil(res)
+	e := fmt.Errorf("Unsupported type %T or differs from Result[%T], and the type doesn't implement sql.Scanner!",
+		src, res.value)
+	res.err = e
+	// DB had a null value
+	if src == nil {
+		return nil
+	}
+
+	// If T is a scanner (Scan is usually implemented on pointers so we need a pointer)
+	var scanner sql.Scanner = nil
+	var ok bool = false
+	if reflect.TypeOf(res.value).Kind() == reflect.Ptr {
+		scanner, ok = any(res.value).(sql.Scanner)
+	} else {
+		scanner, ok = any(&res.value).(sql.Scanner)
+	}
+	if ok {
+		if err := scanner.Scan(src); err != nil {
+			return err
+		}
+		res.err = nil
+		return nil
+	}
+
+	if scanres := res.scanBuiltin(src); scanres.IsSome() {
+		return scanres.Unwrap()
+	}
+
+	return e
+}
+
+func (res *Result[T]) scanBuiltin(src interface{}) Optional[error] {
+	res.err = nil
+	// First handle the special cases where we allow conversion between types
+	// This is usually just parsing []byte into type
+	if scanres := res.scanTimeSpecial(src); scanres.IsSome() {
+		return scanres
+	}
+	if scanres := res.scanStringSpecial(src); scanres.IsSome() {
+		return scanres
+	}
+
+	srcVal := reflect.ValueOf(src)
+	optType := reflect.TypeOf(res.value)
+
+	optElemType := optType
+	if optElemType.Kind() == reflect.Pointer {
+		optElemType = optElemType.Elem()
+	}
+
+	srcElemType := srcVal.Type()
+	if srcElemType.Kind() == reflect.Pointer {
+		srcElemType = srcElemType.Elem()
+	}
+
+	if srcElemType != optElemType {
+		e := fmt.Errorf("Result[%T] (aka %T) differs from %T!", res.value, res.value, src)
+		res.err = e
+		return Some(e)
+	}
+
+	if optType.Kind() == reflect.Pointer {
+		if srcVal.Kind() == reflect.Pointer {
+			res.value = srcVal.Interface().(T)
+		} else {
+			newPtr := reflect.New(optElemType)
+			newPtr.Elem().Set(srcVal)
+			res.value = newPtr.Interface().(T)
+		}
+	} else {
+		if srcVal.Kind() == reflect.Pointer {
+			res.value = srcVal.Elem().Interface().(T)
+		} else {
+			res.value = srcVal.Interface().(T)
+		}
+	}
+	res.err = nil
+	return Some[error](nil)
+}
+
+func (res *Result[T]) scanStringSpecial(src interface{}) Optional[error] {
+	switch v := any(res.value).(type) {
+	case *string:
+		switch s := src.(type) {
+		case []byte:
+			*v = string(s)
+			goto ok
+		case *[]byte:
+			*v = string(*s)
+			goto ok
+		}
+	case string:
+		switch s := src.(type) {
+		case []byte:
+			reflect.ValueOf(&res.value).Elem().Set(reflect.ValueOf(string(s)))
+			goto ok
+		case *[]byte:
+			reflect.ValueOf(&res.value).Elem().Set(reflect.ValueOf(string(*s)))
+			goto ok
+		}
+	}
+	return None[error]()
+ok:
+	res.err = nil
+	return Some[error](nil)
+}
+
+func (res *Result[T]) scanTimeSpecial(src interface{}) Optional[error] {
+	switch v := any(res.value).(type) {
+	case *time.Time:
+		switch t := src.(type) {
+		case []byte:
+			parsedTime, err := time.Parse(time.RFC3339, string(t))
+			if err == nil {
+				*v = parsedTime
+				goto ok
+			} else {
+				res.err = err
+				return Some(err)
+			}
+		case *[]byte:
+			parsedTime, err := time.Parse(time.RFC3339, string(*t))
+			if err == nil {
+				*v = parsedTime
+				goto ok
+			} else {
+				res.err = err
+				return Some(err)
+			}
+		}
+	case time.Time:
+		switch t := src.(type) {
+		case []byte:
+			parsedTime, err := time.Parse(time.RFC3339, string(t))
+			if err == nil {
+				reflect.ValueOf(&res.value).Elem().Set(reflect.ValueOf(parsedTime))
+				goto ok
+			} else {
+				res.err = err
+				return Some(err)
+			}
+		case *[]byte:
+			parsedTime, err := time.Parse(time.RFC3339, string(*t))
+			if err == nil {
+				reflect.ValueOf(&res.value).Elem().Set(reflect.ValueOf(parsedTime))
+				goto ok
+			} else {
+				res.err = err
+				return Some(err)
+			}
+		}
+
+	}
+	return None[error]()
+ok:
+	res.err = nil
+	return Some[error](nil)
+}
+
+func (res Result[T]) MarshalJSON() ([]byte, error) {
+	if nil != res.err {
+		// Return null for `omitempty` compatibility
+		return []byte("null"), nil
+		// panic("Tried to marshal a Result that was error!")
+	}
+
+	return json.Marshal(res.value)
+}
+
+func (res *Result[T]) UnmarshalJSON(data []byte) error {
+	var value T
+	res.err = nil
+	if string(data) == "null" {
+		// On null data the best we can do is indicate there was no error and put a default value of T
+		res.value = value
+		return nil
+	}
+	if err := json.Unmarshal(data, &value); err != nil {
+		res.err = err
+		return err
+	}
+	res.value = value
+	return nil
+}
+
+func (res Result[T]) Value() (driver.Value, error) {
+	if nil != res.err {
+		return nil, nil
+	}
+
+	if valuer, ok := any(res.value).(driver.Valuer); ok {
+		return valuer.Value()
+	}
+
+	switch v := any(res.Value).(type) {
+
+	case string, bool,
+		int, int8, int16, int32, int64,
+		uint, uint8, uint16, uint32, uint64, uintptr,
+		float32, float64,
+		complex64, complex128:
+		return v, nil
+
+	case *string, *bool,
+		*int, *int8, *int16, *int32, *int64,
+		*uint, *uint8, *uint16, *uint32, *uint64, *uintptr,
+		*float32, *float64,
+		*complex64, *complex128:
+		return v, nil
+
+	case fmt.Stringer:
+		return v.String(), nil
+
+	default:
+		return nil, errors.New("unsupported type for Result")
+	}
+}

type/result_test.go

@@ -5,7 +5,7 @@ import (
 	"reflect"
 	"testing"
 
-	Testing "github.com/lbatuska/goutils/testing"
+	Testing "git.nas-technologies.com/lbatuska/goutils/testing"
 )
 
 var (
@@ -15,6 +15,21 @@ var (
 	nilResult = (*Result[int])(nil)
 )
 
+func Test_resultScan(t *testing.T) {
+	a := Ok("Not A!")
+	b := Ok(0)
+	c := Ok(0)
+	d := Err[*string](errors.New(""))
+	a.Scan("a")
+	b.Scan(1)
+	c.Scan("c")
+	d.Scan(Ptr("d"))
+	Testing.AssertEqual(t, a.Unwrap(), "a")
+	Testing.AssertEqual(t, b.Unwrap(), 1)
+	Testing.AssertError(t, c.UnwrapErr())
+	Testing.AssertEqual(t, *d.Unwrap(), "d")
+}
+
 func Test_resultConstructors(t *testing.T) {
 	err := errors.New("some error")
 	w := Err[int](err)

type/utils.go

@@ -1,5 +1,11 @@
 package Type
 
+import (
+	"fmt"
+	"reflect"
+	"unsafe"
+)
+
 func Expect[T any](val Unwrappable[T], msg string) T {
 	return val.Expect(msg)
 }
@@ -42,3 +48,92 @@ func ResultWrapb[T any](err error, val T) Result[T] {
 func Ptr[T any](v T) *T {
 	return &v
 }
+
+// meant to be used as defer Type.CatchUnwrap(Type.Ptr(&res)) or Type.CatchUnwrap(&res) if res is already a pointer
+// where res is a pointer to an Option or Result returned by a function (initialized to not be nil)
+// func X() (res *Optional[int]) {
+// 	res = None[int]()
+// 	defer CatchUnwrap(&res)
+//
+//  // Some possibly unsafe unwrapping of values
+//  return res
+// }
+// === OR ===
+// func X() (res Optional[int]) {
+// 	res = None[int]()
+//  defer Type.CatchUnwrap(Type.Ptr(&res))
+//
+//  // Some possibly unsafe unwrapping of values
+//  return res
+// }
+
+func CatchUnwrap(ret interface{}) {
+	r := recover()
+	if r == nil {
+		return
+	}
+	vp := reflect.ValueOf(r)
+	if vp.Kind() != reflect.Pointer || vp.IsNil() {
+		panic(r)
+	}
+
+	if _, ok := r.(OptionalerMarker); ok {
+		if setOptionalNone(ret) {
+			return
+		}
+	}
+
+	if _, ok := r.(ResulterMarker); ok {
+		if setResultError(ret, fmt.Errorf("Tried to unwrap a failed result!")) {
+			return
+		}
+	}
+
+	panic(r)
+}
+
+func setOptionalNone(ret interface{}) bool {
+	v := reflect.ValueOf(ret)
+	if v.Kind() != reflect.Ptr || v.IsNil() {
+		return false
+	}
+	elem := v.Elem().Elem()
+	if elem.Kind() != reflect.Struct {
+		return false
+	}
+	presentField := elem.FieldByName("present")
+	if !presentField.IsValid() {
+		return false
+	}
+	if presentField.Kind() == reflect.Bool {
+		presentField = reflect.NewAt(presentField.Type(),
+			unsafe.Pointer(presentField.UnsafeAddr())).Elem()
+		presentField.SetBool(false) // Setting it to false (None)
+	} else {
+		return false
+	}
+	return true
+}
+
+func setResultError(ret interface{}, err error) bool {
+	v := reflect.ValueOf(ret)
+	if v.Kind() != reflect.Ptr || v.IsNil() {
+		return false
+	}
+	elem := v.Elem().Elem()
+	if elem.Kind() != reflect.Struct {
+		return false
+	}
+	errField := elem.FieldByName("err")
+	if !errField.IsValid() {
+		return false
+	}
+	if errField.Kind() == reflect.Interface {
+		errField = reflect.NewAt(errField.Type(),
+			unsafe.Pointer(errField.UnsafeAddr())).Elem()
+		errField.Set(reflect.ValueOf(err)) // Setting the error
+	} else {
+		return false
+	}
+	return true
+}

unstable/session/sessionmanager.go

@@ -0,0 +1,116 @@
+package Session
+
+import (
+	"context"
+	"crypto/rand"
+	"encoding/hex"
+	"net/http"
+	"time"
+)
+
+// returns the session identified by session_id or creates a new one and returns that
+func (sm *sessionManager) Session(session_id string) *session {
+	sm.mtx.Lock()
+	s, ok := sm.sessions[session_id]
+	if !ok {
+		s = &session{
+			data:   make(map[string]any),
+			expiry: time.Now().Add(Session_Lifetime),
+		}
+		sm.sessions[session_id] = s
+
+		sm.mtx.Unlock()
+	} else {
+		sm.mtx.Unlock()
+		s.mtx.Lock()
+		if time.Now().After(s.expiry) {
+			// expired, clear it
+			s.data = make(map[string]any)
+			s.expiry = time.Now().Add(Session_Lifetime)
+		} else {
+			// valid, extend expiry
+			s.expiry = time.Now().Add(Session_Lifetime)
+		}
+		s.mtx.Unlock()
+	}
+
+	return s
+}
+
+func GetSession(ctx context.Context) *session {
+	s, _ := ctx.Value("session").(*session)
+	return s
+}
+
+func (sm *sessionManager) SessionMW(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		var sid string
+
+		cookie, err := r.Cookie(cookie_key)
+		if err == http.ErrNoCookie {
+			sid = newSessionID()
+		} else if err == nil {
+			sid = cookie.Value
+		} else {
+			http.Error(w, "Invalid session", http.StatusBadRequest)
+			return
+		}
+
+		http.SetCookie(w, &http.Cookie{
+			Name:     cookie_key,
+			Value:    sid,
+			Path:     "/",
+			MaxAge:   int(Session_Lifetime.Seconds()),
+			HttpOnly: true,
+			Secure:   true,
+		})
+
+		ctx := context.WithValue(r.Context(), "session", sm.Session(sid))
+		r = r.WithContext(ctx)
+
+		next.ServeHTTP(w, r)
+	})
+}
+
+func (sm *sessionManager) StartGC(interval time.Duration) {
+	go func() {
+		ticker := time.NewTicker(interval)
+		defer ticker.Stop()
+
+		for range ticker.C {
+			sm.cleanup()
+		}
+	}()
+}
+
+func newSessionID() string {
+	b := make([]byte, 32)
+	rand.Read(b)
+	return hex.EncodeToString(b)
+}
+
+func (sm *sessionManager) cleanup() {
+	now := time.Now()
+
+	sm.mtx.Lock()
+	defer sm.mtx.Unlock()
+
+	for id, s := range sm.sessions {
+		s.mtx.Lock()
+		expired := now.After(s.expiry)
+		s.mtx.Unlock()
+
+		if expired {
+			delete(sm.sessions, id)
+		}
+	}
+}
+
+func NewSessionManager(gc_interval time.Duration) *sessionManager {
+	sm := &sessionManager{
+		sessions: make(map[string]*session),
+	}
+
+	sm.StartGC(gc_interval)
+	return sm
+}

unstable/session/types.go

@@ -0,0 +1,20 @@
+package Session
+
+import (
+	"sync"
+	"time"
+)
+
+const Session_Lifetime time.Duration = time.Duration(120) * time.Second
+const cookie_key string = "GSESSID"
+
+type session struct {
+	mtx    sync.Mutex
+	data   map[string]any
+	expiry time.Time
+}
+
+type sessionManager struct {
+	sessions map[string]*session
+	mtx      sync.Mutex
+}