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Merge pull request #1082 from disarray2077/null_array_span

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Allow Spans to be created from null Arrays
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Brian Fiete 2021-06-25 06:05:57 -07:00 • committed by GitHub
commit b66f13849f
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1 changed files with 17 additions and 0 deletions
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17
BeefLibs/corlib/src/Span.bf
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@ -16,18 +16,35 @@ namespace System
public this(T[] array)
{
if (array == null)
{
this = default;
return;
}
mPtr = &array.[Friend]GetRef(0);
mLength = array.[Friend]mLength;
}
public this(T[] array, int index)
{
if (array == null)
{
Debug.Assert(index == 0);
this = default;
return;
}
mPtr = &array[index];
mLength = array.[Friend]mLength - index;
}
public this(T[] array, int index, int length)
{
if (array == null)
{
Debug.Assert(index == 0 && length == 0);
this = default;
return;
}
if (length == 0)
mPtr = null;
else