121b9e26fb
* fix the usage of unresolved static[T] parameters in proc signatures * fix tsametype and tmacrogenerics * Allow creating composite type classes with concepts and using them in type signatures * Allow integers to be used in ident concatenations * Support using imported C++ generic types in proc signatures * fixes #7230 * closes #7379 * re-enable some metatype tests
44 lines
944 B
Nim
44 lines
944 B
Nim
discard """
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output: "Digest[128]\nDigest[256]"
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"""
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import typetraits
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type
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Digest[bits: static[int]] = object
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data: array[bits div 8, byte]
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ContextKind = enum
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A, B, C
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HashingContext[bits: static[int], kind: static[ContextKind]] = object
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ctx: array[bits div 8, byte]
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Hash128 = HashingContext[128, A]
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Hash256 = HashingContext[256, B]
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HMAC[HashType] = object
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h: HashType
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proc init(c: var HashingContext) = discard
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proc update(c: var HashingContext, data: ptr byte, dataLen: uint) = discard
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proc finish(c: var HashingContext): Digest[c.bits] = discard
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proc digest(T: typedesc, data: ptr byte, dataLen: uint): Digest[T.bits] =
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mixin init, update, finish
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var ctx: T
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ctx.init()
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ctx.update(data, dataLen)
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result = ctx.finish()
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var h = Hash128.digest(nil, 0)
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echo h.type.name
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proc finish(hmac: var HMAC): Digest[HMAC.HashType.bits] =
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discard
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var hm: HMAC[Hash256]
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var d = hm.finish
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echo d.type.name
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