opt.Optional[T].IsNothing() opt.Optional[T].IsSomething()

map.go

@@ -39,7 +39,7 @@ package opt
 //	
 //	// result2 == opt.Nothing[int]()
 func Map[T1 any, T2 any](op Optional[T1], fn func(T1)T2) Optional[T2] {
-	if op.isnothing() {
+	if op.IsNothing() {
 		return Nothing[T2]()
 	}
 

optional.go

@@ -107,7 +107,7 @@ func Something[T any](value T) Optional[T] {
 //	
 //	op3 = op3.Filter(fn)
 func (receiver Optional[T]) Filter(fn func(T)bool) Optional[T] {
-	if receiver.isnothing() {
+	if receiver.IsNothing() {
 		return Nothing[T]()
 	}
 
@@ -118,10 +118,6 @@ func (receiver Optional[T]) Filter(fn func(T)bool) Optional[T] {
 	return receiver
 }
 
-func (receiver Optional[T]) isnothing() bool {
-	return !receiver.something
-}
-
 // Get returns the value inside of the optional-type if it is holding something.
 //
 // Example usage:
@@ -157,7 +153,7 @@ func (receiver Optional[T]) Get() (T, bool) {
 //		fmt.Println("nothing")
 //	}
 func (receiver Optional[T]) GetElse(alternative T) T {
-	if receiver.isnothing() {
+	if receiver.IsNothing() {
 		return alternative
 	}
 
@@ -189,7 +185,7 @@ func (receiver Optional[T]) GetElse(alternative T) T {
 //	// Output:
 //	// op = opt.Nothing[uint8]()
 func (receiver Optional[T]) GoString() string {
-	if receiver.isnothing() {
+	if receiver.IsNothing() {
 		return fmt.Sprintf("opt.Nothing[%T]()", receiver.value)
 	}
 
@@ -210,7 +206,7 @@ func (receiver Optional[T]) GoString() string {
 //		//@TODO
 //	})
 func (receiver Optional[T]) WhenNothing(fn func()) {
-	if receiver.isnothing() {
+	if receiver.IsNothing() {
 		fn()
 	}
 }

optional_marshaljson.go

@@ -18,7 +18,7 @@ func (receiver Optional[T]) MarshalJSON() ([]byte, error) {
 		return nil, erorr.Errorf("opt: cannot marshal something of type %T into JSON because parameterized type is ‘%T’ rather than ‘bool’, ‘string’, or ‘json.Marshaler’", receiver, receiver.value)
 	}
 
-	if receiver.isnothing() {
+	if receiver.IsNothing() {
 		return nil, erorr.Errorf("opt: cannot marshal opt.Nothing[%T]() into JSON", receiver.value)
 	}
 

then.go

@@ -36,7 +36,7 @@ package opt
 //	
 //	// result2 == opt.Nothing[byte]()
 func Then[T1 any, T2 any](op Optional[T1], fn func(T1)Optional[T2]) Optional[T2] {
-	if op.isnothing() {
+	if op.IsNothing() {
 		return Nothing[T2]()
 	}