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Enum member `std.digest.hasBlockSize`

Checks whether the digest has a blockSize member, which contains the digest's internal block size in bits. It is primarily used by HMAC.


						
				enum hasBlockSize(T)
				 = __traits(compiles, ()
{
size_t blockSize = T.blockSize;
}
);

Example

import std.digest.hmac, std.digest.md;
static assert(hasBlockSize!MD5        && MD5.blockSize      == 512);
static assert(hasBlockSize!(HMAC!MD5) && HMAC!MD5.blockSize == 512);

Authors

Johannes Pfau

License

Boost License 1.0.