clean up Cause

SandroMaglione · Mar 22, 2024 · 0f91eeb · 0f91eeb
1 parent a44fed8
commit 0f91eeb
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diff --git a/packages/fpdart/lib/src/effect.dart b/packages/fpdart/lib/src/effect.dart
@@ -302,7 +302,6 @@ final class Effect<E, L, R> extends IEffect<E, L, R> {
           (exit) => switch (exit) {
             Left(value: final cause) => switch (cause) {
                 Fail<L>(error: final error) => Right(error),
-                Empty() => Left(cause),
                 Die() => Left(cause),
               },
             Right(value: final value) => Left(Fail(value)),
@@ -319,7 +318,6 @@ final class Effect<E, L, R> extends IEffect<E, L, R> {
           (exit) => switch (exit) {
             Left(value: final cause) => switch (cause) {
                 Fail<L>(error: final error) => Left(Fail(f(error))),
-                Empty() => Left(cause),
                 Die() => Left(cause),
               },
             Right(value: final value) => Right(value),
@@ -334,7 +332,6 @@ final class Effect<E, L, R> extends IEffect<E, L, R> {
           (exit) => switch (exit) {
             Left(value: final cause) => switch (cause) {
                 Fail<L>(error: final error) => Left(Fail(fl(error))),
-                Empty() => Left(cause),
                 Die() => Left(cause),
               },
             Right(value: final value) => Right(fr(value)),
@@ -364,7 +361,6 @@ final class Effect<E, L, R> extends IEffect<E, L, R> {
                 Fail<L>(error: final error) => f(error)._unsafeRun(env).then(
                       (_) => Left(Fail(error)),
                     ),
-                Empty() => Left(cause),
                 Die() => Left(cause),
               },
             Right(value: final value) => Right(value),
@@ -381,7 +377,6 @@ final class Effect<E, L, R> extends IEffect<E, L, R> {
           (exit) => switch (exit) {
             Left(value: final cause) => switch (cause) {
                 Fail<L>(error: final error) => orElse(error)._unsafeRun(env),
-                Empty() => Left(cause),
                 Die() => Left(cause),
               },
             Right(value: final value) =>
@@ -409,7 +404,6 @@ final class Effect<E, L, R> extends IEffect<E, L, R> {
             Left(value: final cause) => switch (cause) {
                 Fail<L>(error: final error) =>
                   Left(Die.current(onError(error))),
-                Empty() => Left(cause),
                 Die() => Left(cause),
               },
             Right(value: final value) =>
@@ -427,7 +421,6 @@ final class Effect<E, L, R> extends IEffect<E, L, R> {
           (exit) => switch (exit) {
             Left(value: final cause) => switch (cause) {
                 Fail<L>(error: final error) => f(error)._unsafeRun(env),
-                Empty() => Left(cause),
                 Die() => Left(cause),
               },
             Right(value: final value) =>

diff --git a/packages/fpdart/lib/src/exit.dart b/packages/fpdart/lib/src/exit.dart
@@ -4,23 +4,6 @@ typedef Exit<L, R> = Either<Cause<L>, R>;
 
 sealed class Cause<L> implements Error {
   const Cause();
-  Cause<L> withTrace(StackTrace stack);
-}
-
-/// Represents a lack of errors
-final class Empty extends Cause<Never> {
-  @override
-  final StackTrace? stackTrace;
-
-  const Empty([this.stackTrace]);
-
-  @override
-  Empty withTrace(StackTrace stack) => stackTrace == null ? Empty(stack) : this;
-
-  @override
-  String toString() {
-    return "Cause.Empty()";
-  }
 }
 
 /// Failed as a result of a defect (unexpected error)
@@ -36,10 +19,6 @@ final class Die extends Cause<Never> {
   factory Die.current(dynamic error, [StackTrace? stackTrace]) =>
       Die(error, StackTrace.current, stackTrace);
 
-  @override
-  Die withTrace(StackTrace stack) =>
-      stackTrace == null ? Die(error, defectStackTrace, stack) : this;
-
   @override
   bool operator ==(Object other) => (other is Fail) && other.error == error;
 
@@ -61,10 +40,6 @@ final class Fail<L> extends Cause<L> {
 
   const Fail(this.error, [this.stackTrace]);
 
-  @override
-  Fail<L> withTrace(StackTrace stack) =>
-      stackTrace == null ? Fail(error, stack) : this;
-
   @override
   bool operator ==(Object other) => (other is Fail) && other.error == error;