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30 lines
446 B
Nim
30 lines
446 B
Nim
discard """
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output: '''2
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4
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6
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4
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8
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12
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'''
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disabled: "true"
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"""
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# Will eventually fix it...
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iterator map[T, U](s: iterator:T{.inline.}, f: proc(x: T): U): U =
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for e in s: yield f(e)
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template toSeq(s: untyped): untyped =
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var res = newSeq[type(s)](0)
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for e in s: res.add(e)
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res
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var s1 = @[1, 2, 3]
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for x in map(s1.items, proc (a:int): int = a*2):
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echo x
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var s2 = toSeq(map(s1.items, proc (a:int): int = a*4))
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for x in s2:
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echo x
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