feat: marshalers to codecs

pkg/codec/codec.go

@@ -1,8 +1,8 @@
 package codec
 
-type Codec[T, U any] interface {
-	Encode(T) (U, error)
-	Decode(U) (T, error)
-}
+type Conversion[T, U any] = func(T) (U, error)
 
-type Marshaler[T any] = Codec[T, string]
+type Codec[T any] interface {
+	Encode(T) (string, error)
+	Decode(string) (T, error)
+}

pkg/convert/saccharine_to_lambda.go

@@ -3,7 +3,6 @@ package convert
 import (
 	"fmt"
 
-	"git.maximhutz.com/max/lambda/pkg/codec"
 	"git.maximhutz.com/max/lambda/pkg/lambda"
 	"git.maximhutz.com/max/lambda/pkg/saccharine"
 )
@@ -125,14 +124,10 @@ func decodeExression(l lambda.Expression) saccharine.Expression {
 	}
 }
 
-type Saccharine2Lambda struct{}
-
-func (c Saccharine2Lambda) Decode(l lambda.Expression) (saccharine.Expression, error) {
+func Lambda2Saccharine(l lambda.Expression) (saccharine.Expression, error) {
 	return decodeExression(l), nil
 }
 
-func (c Saccharine2Lambda) Encode(s saccharine.Expression) (lambda.Expression, error) {
+func Saccharine2Lambda(s saccharine.Expression) (lambda.Expression, error) {
 	return encodeExpression(s), nil
 }
-
-var _ codec.Codec[saccharine.Expression, lambda.Expression] = (*Saccharine2Lambda)(nil)

pkg/lambda/codec.go

@@ -16,4 +16,4 @@ func (m Marshaler) Encode(e Expression) (string, error) {
 	return e.String(), nil
 }
 
-var _ codec.Marshaler[Expression] = (*Marshaler)(nil)
+var _ codec.Codec[Expression] = (*Marshaler)(nil)

pkg/saccharine/codec.go

@@ -21,4 +21,4 @@ func (m Marshaler) Encode(e Expression) (string, error) {
 	return stringifyExpression(e), nil
 }
 
-var _ codec.Marshaler[Expression] = (*Marshaler)(nil)
+var _ codec.Codec[Expression] = (*Marshaler)(nil)