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import std/private/bitops_utils template chk(a, b) = let a2 = castToUnsigned(a) doAssert a2 == b doAssert type(a2) is type(b) doAssert type(b) is type(a2) chk 1'i8, 1'u8 chk -1'i8, 255'u8 chk 1'u8, 1'u8 chk 1'u, 1'u chk -1, cast[uint](-1) chk -1'i64, cast[uint64](-1)