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added basic Try extensions
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This commit is contained in:
JustFixMe
2023-12-08 00:07:24 +04:00
parent f39b899514
commit 036b34d3c0
2 changed files with 133 additions and 1 deletions
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26
Railway/Result.cs
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@@ -38,9 +38,16 @@ public readonly partial struct Result : IEquatable<Result>
[Pure, MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Result Failure(Error error) => new(error ?? throw new ArgumentNullException(nameof(error)));
[Pure, MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Result Failure(Exception exception) => new(Error.New(exception) ?? throw new ArgumentNullException(nameof(exception)));
[Pure, MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Result<T> Failure<T>(Error error) => new(error ?? throw new ArgumentNullException(nameof(error)));
[Pure, MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Result<T> Failure<T>(Exception exception) => new(Error.New(exception) ?? throw new ArgumentNullException(nameof(exception)));
[Pure, MethodImpl(MethodImplOptions.AggressiveInlining)]
public static implicit operator Result(Error error) => new(error ?? throw new ArgumentNullException(nameof(error)));
[Pure, MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -54,6 +61,23 @@ public readonly partial struct Result : IEquatable<Result>
[Pure] public bool IsSuccess => Error is null;
[Pure] public bool IsFailure => Error is not null;
[Pure] public bool Success([MaybeNullWhen(false)]out SuccessUnit? u, [MaybeNullWhen(true), NotNullWhen(false)]out Error? error)
{
switch (State)
{
case ResultState.Success:
u = new SuccessUnit();
error = default;
return true;
case ResultState.Error:
u = default;
error = Error!;
return false;
default: throw new ResultNotInitializedException();
}
}
[Pure] public bool TryGetError([MaybeNullWhen(false)]out Error error)
{
if (IsSuccess)
@@ -125,7 +149,7 @@ public readonly struct Result<T> : IEquatable<Result<T>>
[Pure] public bool IsSuccess => State == ResultState.Success;
[Pure] public bool IsFailure => State == ResultState.Error;
[Pure] public bool Unwrap([MaybeNullWhen(false)]out T value, [MaybeNullWhen(true)]out Error error)
[Pure] public bool Success([MaybeNullWhen(false)]out T value, [MaybeNullWhen(true), NotNullWhen(false)]out Error? error)
{
switch (State)
{