public static async Task OnError <TValue, TError>(
this IValueOrError <TValue, TError> valueOrError,
Func <TError, Task> onError)
{
if (!valueOrError.hasValue)
{
await onError(valueOrError.error);
}
}
public static void OnError <TValue, TError>(
this IValueOrError <TValue, TError> valueOrError,
Action <TError> onError)
{
if (!valueOrError.hasValue)
{
onError(valueOrError.error);
}
}
public static async Task OnSuccess <TValue, TError>(
this IValueOrError <TValue, TError> valueOrError,
Func <TValue, Task> onSuccess)
{
if (valueOrError.hasValue)
{
await onSuccess(valueOrError.value);
}
}
public static void OnSuccess <TValue, TError>(
this IValueOrError <TValue, TError> valueOrError,
Action <TValue> onSuccess)
{
if (valueOrError.hasValue)
{
onSuccess(valueOrError.value);
}
}
public static ValueOrError <T, TError> OnSuccess <TValue, TError, T>(
this IValueOrError <TValue, TError> valueOrError,
Func <TValue, T> onSuccess)
{
if (valueOrError.hasValue)
{
var value = onSuccess(valueOrError.value);
return(ValueOrError <T, TError> .FromValue(value));
}
else
{
return(ValueOrError <T, TError> .FromError(valueOrError.error));
}
}
public static ValueOrError <TValue, T> OnError <TValue, TError, T>(
this IValueOrError <TValue, TError> valueOrError,
Func <TError, T> onError)
{
if (valueOrError.hasValue)
{
return(ValueOrError <TValue, T> .FromValue(valueOrError.value));
}
else
{
var error = onError(valueOrError.error);
return(ValueOrError <TValue, T> .FromError(error));
}
}
public static async Task <ValueOrError <T, TError> > OnSuccess <TValue, TError, T>(
this IValueOrError <TValue, TError> valueOrError,
Func <TValue, Task <T> > onSuccess)
{
if (valueOrError.hasValue)
{
var value = await onSuccess(valueOrError.value);
return(ValueOrError <T, TError> .FromValue(value));
}
else
{
return(ValueOrError <T, TError> .FromError(valueOrError.error));
}
}
public static async Task <ValueOrError <TValue, T> > OnError <TValue, TError, T>(
this IValueOrError <TValue, TError> valueOrError,
Func <TError, Task <T> > onError)
{
if (valueOrError.hasValue)
{
return(ValueOrError <TValue, T> .FromValue(valueOrError.value));
}
else
{
var error = await onError(valueOrError.error);
return(ValueOrError <TValue, T> .FromError(error));
}
}
private ValueOrError(IValueOrError <TValue, TError> valueOrError)
{
this.valueOrError = valueOrError;
}
