Roslyn: Range indexer on array should probably not be ref-returning
The following works:
C#
using System;
public class C {
public void M(int[] arr) {
ref int[] x = ref arr[0..2];
}
}
But I'm not sure it should.
agocke
All 2 comments
馃挱 I would have expected arr[0..2] to produce Span<int>, which is a ref-like type but not ref int[]
sharwell
on 18 Dec 2018
👍2
Does the indexer copy the array? That is very surprising to me.
Neme12
on 18 Dec 2018
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Most helpful comment
馃挱 I would have expected
arr[0..2]to produceSpan<int>, which is a ref-like type but notref int[]