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https://github.com/nim-lang/Nim.git
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1be0022e7c
This commit returns to a bit less strict checking of the number of macro arguments, because some old immediate macros rely on a behavior where even the arity of the macro is not being checked. It may be better if such macros are just declared to use varargs[expr], but this remains for another day.
26 lines
663 B
Nim
26 lines
663 B
Nim
discard """
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cmd: "nim c --threads:on $file"
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errormsg: "type mismatch"
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line: 24
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"""
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type
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TGeneric[T] = object
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x: int
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proc foo1[A, B, C, D](x: proc (a: A, b: B, c: C, d: D)) =
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echo "foo1"
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proc foo2(x: proc(x: int)) =
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echo "foo2"
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# The goal of this test is to verify that none of the generic parameters of the
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# proc will be marked as unused. The error message should be "type mismatch" instead
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# of "'bar' doesn't have a concrete type, due to unspecified generic parameters".
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proc bar[A, B, C, D](x: A, y: seq[B], z: array[4, TGeneric[C]], r: TGeneric[D]) =
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echo "bar"
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foo1[int, seq[int], array[4, TGeneric[float]], TGeneric[string]] bar
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foo2 bar
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