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Add Array.Reverse<T>#7132
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Add generic `Reverse<T>` methods to `Array`.
Implement `List<T>.Reverse` using `Array.Reverse<T>`.
| ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array); | ||
| if (index < 0) | ||
| ThrowHelper.ThrowIndexArgumentOutOfRange_NeedNonNegNumException(); | ||
| if (length < 0) |
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This might increase the generated code size, but I think you can make this a teeny bit faster for the common case:
if ((index | length) < 0) // Will be true if either is negative
{
if (index < 0)
ThrowHelper.ThrowIndexArgumentOutOfRange_NeedNonNegNumException();
else
ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.length, ExceptionResource.ArgumentOutOfRange_NeedNonNegNum);
}
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I just aligned this with what @benaadams did for the non-generic Reverse in #7059.
|
Once this is added to the contracts, there are other places that should probably be fixed to call |
Member
|
cc @janvorli |
Member
|
LGTM |
Member
|
@justinvp Could you please port it to corert when you get a chance? |
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Add
Array.Reverse<T>and updateList<T>.Reverseto use it.https://github.com/dotnet/corefx/issues/2352 (api-approved)
cc: @jkotas, @stephentoub, @weshaggard, @jamesqo, @benaadams