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cast: add sanity cast

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This commit is contained in:
Danny Robson 2018-12-03 15:29:04 +11:00
parent 9ea44a5063
commit d6b80da18b
1 changed files with 13 additions and 0 deletions
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13
cast.hpp
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@ -184,4 +184,17 @@ namespace cruft::cast {
return reinterpret_cast<DstT> (src);
#pragma GCC diagnostic pop
}
///////////////////////////////////////////////////////////////////////////
/// Cast from SrcT to DstT, performing sanity checks on the src and dst
/// values before returning the result.
template <typename DstT, typename SrcT>
DstT sanity (SrcT src)
{
cruft::debug::sanity (src);
DstT dst = static_cast<DstT> (src);
cruft::debug::sanity (dst);
return dst;
}
}