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38 lines
873 B
Nim
38 lines
873 B
Nim
discard """
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output: "@[@[], @[], @[], @[], @[]]"
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"""
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import sugar
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import macros
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block distinctBase:
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block:
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type
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Foo[T] = distinct seq[T]
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var a: Foo[int]
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doAssert a.type.distinctBase is seq[int]
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block:
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# simplified from https://github.com/nim-lang/Nim/pull/8531#issuecomment-410436458
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macro uintImpl(bits: static[int]): untyped =
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if bits >= 128:
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let inner = getAST(uintImpl(bits div 2))
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result = newTree(nnkBracketExpr, ident("UintImpl"), inner)
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else:
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result = ident("uint64")
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type
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BaseUint = UintImpl or SomeUnsignedInt
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UintImpl[Baseuint] = object
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Uint[bits: static[int]] = distinct uintImpl(bits)
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doAssert Uint[128].distinctBase is UintImpl[uint64]
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# bug #7816
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import sequtils
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proc tester[T](x: T) =
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let test = toSeq(0..4).map(i => newSeq[int]())
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echo test
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tester(1)
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