fix(SimpleRouter): global middlewares

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

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) {
+func (logger *FileLoggerImpl) WriteRequest(message string, uuid string) {
-	logger.Write(request + " : " + message)
+	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{}

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 (
+	_ 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 "github.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 {
+func (opt Optional[T]) Expect(msg string) T {
-	Assert.NotNil(opt)
 	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

@@ -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"
 )
 
+// 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 {
+func (res Result[T]) Expect(msg string) T {
-	Assert.NotNil(res)
 	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

@@ -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/simplerouter/router.go

@@ -66,9 +66,9 @@ func (rg *RouteGroup) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		rg.mux.ServeHTTP(w, r)
 	})
 
-	mwlen := len(rg.global_middlewares) - 1
+	mwlen := len(*rg.global_middlewares) - 1
-	for i := range rg.global_middlewares {
+	for i := range *rg.global_middlewares {
-		handler = rg.global_middlewares[mwlen-i](handler)
+		handler = (*rg.global_middlewares)[mwlen-i](handler)
 	}
 
 	handler.ServeHTTP(w, r)
@@ -81,7 +81,7 @@ 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 +105,21 @@ 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, first)
-	rg.global_middlewares = append(rg.global_middlewares, others...)
+	*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
+	lastIndex := len(*rg.global_middlewares) - 1
-	lastMiddleware := rg.global_middlewares[lastIndex]
+	lastMiddleware := (*rg.global_middlewares)[lastIndex]
-	rg.global_middlewares = rg.global_middlewares[:lastIndex]
+	*rg.global_middlewares = (*rg.global_middlewares)[:lastIndex]
 
 	return lastMiddleware
 }
@@ -148,6 +149,7 @@ func (rg *RouteGroup) SubPath(path string) *RouteGroup {
 	rgc := &RouteGroup{
 		mux:                rg.mux,
 		basePath:           rg.basePath + path + "/",
+		global_middlewares: rg.global_middlewares,
 	}
 	middlewares := make([]Middleware, len(rg.middlewares))
 	copy(middlewares, rg.middlewares)

unstable/simplerouter/router_test.go

@@ -192,12 +192,24 @@ 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)

unstable/simplerouter/types.go

@@ -8,5 +8,5 @@ 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
 }