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- discard """
- output: '''123
- 123
- 123
- 123
- 123
- 123'''
- """
- import strutils
- proc unpack(t: typedesc[string], v: string): string = $v
- proc unpack(t: typedesc[int], v: string): int = parseInt(v)
- proc unpack[T](v: string): T =
- unpack T, v
- var s = "123"
- doAssert(unpack[string](s) is string)
- doAssert(unpack[int](s) is int)
- echo unpack[int](s)
- echo unpack[string](s)
- echo unpack(int,s)
- echo unpack(string,s)
- template `as`*(x: untyped, t: typedesc): untyped = unpack(t,x)
- echo s as int
- echo s as string
- # bug #4534
- proc unit(t: typedesc[int]): t = 0
- proc unit(t: typedesc[string]): t = ""
- proc unit(t: typedesc[float]): t = 0.0
- doAssert unit(int) == 0
- doAssert unit(string) == ""
- doAssert unit(float) == 0.0
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