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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; } );


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


Johannes Pfau


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