[Issue 21192] std.traits: Add trait for determining if a type has padding/alignment holes

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21192

Iain Buclaw <ibuclaw at gdcproject.org> changed:

           What    |Removed                     |Added
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   Attachment #1802|0                           |1
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--- Comment #1 from Iain Buclaw <ibuclaw at gdcproject.org> ---
Created attachment 1803
  --> https://issues.dlang.org/attachment.cgi?id=1803&action=edit
example implementation - no pragma(msg)

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