/// <seealso cref="Fallible.Lift{T1, T2, T3, T4, T5, TResult}"/>
public static Fallible <TResult> ZipWith <T1, T2, T3, T4, T5, TResult>(
this Fallible <T1> @this,
Fallible <T2> second,
Fallible <T3> third,
Fallible <T4> fourth,
Fallible <T5> fifth,
Func <T1, T2, T3, T4, T5, TResult> zipper)
{
/* T4: NotNull(@this) */
/* T4: NotNull(second) */
/* T4: NotNull(third) */
/* T4: NotNull(fourth) */
/* T4: NotNull(fifth) */
Require.NotNull(zipper, nameof(zipper));
// > return @this.Bind(
// > arg1 => second.Bind(
// > arg2 => third.Bind(
// > arg3 => fourth.Bind(
// > arg4 => fifth.Select(
// > arg5 => zipper(arg1, arg2, arg3, arg4, arg5))))));
return(@this.Bind(
arg1 => second.ZipWith(
third,
fourth,
fifth,
(arg2, arg3, arg4, arg5) => zipper(arg1, arg2, arg3, arg4, arg5))));
}
public static Fallible <TResult> InvokeWith <TSource, TResult>(
this Func <TSource, Fallible <TResult> > @this,
Fallible <TSource> value)
{
/* T4: NotNull(value) */
return(value.Bind(@this));
}
public static Fallible <TResult> ContinueWith <TSource, TResult>(
this Fallible <TSource> @this,
Fallible <TResult> other)
{
/* T4: NotNull(@this) */
return(@this.Bind(_ => other));
}
public static Fallible <TResult> Select <TSource, TResult>(
this Fallible <TSource> @this,
Func <TSource, TResult> selector)
{
/* T4: NotNull(@this) */
Require.NotNull(selector, nameof(selector));
return(@this.Bind(val => Fallible <TResult> .η(selector(val))));
}
/// <seealso cref="Apply{TSource, TResult}(Fallible{Func{TSource, TResult}}, Fallible{TSource})" />
public static Fallible <TResult> Gather <TSource, TResult>(
this Fallible <TSource> @this,
Fallible <Func <TSource, TResult> > applicative)
{
/* T4: NotNull(@this) */
/* T4: NotNull(applicative) */
return(applicative.Bind(func => @this.Select(func)));
}
// Bind() with automatic resource management.
public static Fallible <TResult> Using <TSource, TResult>(
this Fallible <TSource> @this,
Func <TSource, Fallible <TResult> > binder)
where TSource : IDisposable
{
/* T4: NotNull(@this) */
Require.NotNull(binder, nameof(binder));
return(@this.Bind(val => { using (val) { return binder(val); } }));
}
// Generalizes both Bind() and ZipWith<T1, T2, TResult>().
public static Fallible <TResult> SelectMany <TSource, TMiddle, TResult>(
this Fallible <TSource> @this,
Func <TSource, Fallible <TMiddle> > selector,
Func <TSource, TMiddle, TResult> resultSelector)
{
/* T4: NotNull(@this) */
Require.NotNull(selector, nameof(selector));
Require.NotNull(resultSelector, nameof(resultSelector));
return(@this.Bind(
val => selector(val).Select(
middle => resultSelector(val, middle))));
}
/// <seealso cref="Fallible.Lift{T1, T2, TResult}"/>
public static Fallible <TResult> ZipWith <T1, T2, TResult>(
this Fallible <T1> @this,
Fallible <T2> second,
Func <T1, T2, TResult> zipper)
{
/* T4: NotNull(@this) */
/* T4: NotNull(second) */
Require.NotNull(zipper, nameof(zipper));
return(@this.Bind(
arg1 => second.Select(
arg2 => zipper(arg1, arg2))));
}
/// <seealso cref="Fallible.Lift{T1, T2, T3, TResult}"/>
public static Fallible <TResult> ZipWith <T1, T2, T3, TResult>(
this Fallible <T1> @this,
Fallible <T2> second,
Fallible <T3> third,
Func <T1, T2, T3, TResult> zipper)
{
/* T4: NotNull(@this) */
/* T4: NotNull(second) */
/* T4: NotNull(third) */
Require.NotNull(zipper, nameof(zipper));
// This is the same as:
// > return @this.Bind(
// > arg1 => second.Bind(
// > arg2 => third.Select(
// > arg3 => zipper(arg1, arg2, arg3))));
// but faster if ZipWith is locally shadowed.
return(@this.Bind(
arg1 => second.ZipWith(
third, (arg2, arg3) => zipper(arg1, arg2, arg3))));
}