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feat: add IEnumerable<T>.Choose()

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Kyle Ratti 2022-12-23 12:34:30 -05:00
parent 3aab47e9c6
commit a045c76140
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1 changed files with 7 additions and 1 deletions
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8
Base/Extensions/EnumerableExtensions.cs
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@ -8,7 +8,13 @@ public static class EnumerableExtensions
{
public static IEnumerable<T> ConditionalConcat<T>(this IEnumerable<T> enumerable, bool isConditionValid, IEnumerable<T> second) =>
!isConditionValid ? enumerable : enumerable.Concat(second);
public static IEnumerable<T> ConditionalWhere<T>(this IEnumerable<T> enumerable, bool isConditionValid, Func<T, bool> pred) =>
!isConditionValid ? enumerable : enumerable.Where(pred);
public static IEnumerable<TOutput> Choose<TInput, TOutput>(this IEnumerable<TInput> enumerable, Func<TInput, TOutput?> mapper) =>
enumerable
.Select(mapper)
.Where(x => x is not null)
.Cast<TOutput>();
}