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^ From End index is relative to length instead of length-1

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This commit is contained in:
Brian Fiete 2021-10-26 06:15:36 -07:00
parent fa3198f82a
commit 299bea0eaa
6 changed files with 30 additions and 27 deletions
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12
BeefLibs/corlib/src/Span.bf
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@ -150,7 +150,7 @@ namespace System
switch (index)
{
case .FromFront(let offset): idx = offset;
case .FromEnd(let offset): idx = mLength - 1 - offset;
case .FromEnd(let offset): idx = mLength - offset;
}
Runtime.Assert((uint)idx < (uint)mLength);
return ref mPtr[idx];
@ -163,7 +163,7 @@ namespace System
switch (index)
{
case .FromFront(let offset): idx = offset;
case .FromEnd(let offset): idx = mLength - 1 - offset;
case .FromEnd(let offset): idx = mLength - offset;
}
return ref mPtr[idx];
}
@ -184,7 +184,7 @@ namespace System
start = mPtr + offset;
case .FromEnd(let offset):
Debug.Assert((uint)offset <= (uint)mLength);
start = mPtr + mLength - 1 - offset;
start = mPtr + mLength - offset;
}
T* end;
if (range.[Friend]mIsClosed)
@ -195,8 +195,8 @@ namespace System
Debug.Assert((uint)offset < (uint)mLength);
end = mPtr + offset + 1;
case .FromEnd(let offset):
Debug.Assert((uint)offset < (uint)mLength);
end = mPtr + mLength - offset;
Debug.Assert((uint)(offset - 1) <= (uint)mLength);
end = mPtr + mLength - offset + 1;
}
}
else
@ -208,7 +208,7 @@ namespace System
end = mPtr + offset;
case .FromEnd(let offset):
Debug.Assert((uint)offset <= (uint)mLength);
end = mPtr + mLength - 1 - offset;
end = mPtr + mLength - offset;
}
}