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Add len for tuples

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Zahary Karadjov 2019-10-02 16:24:59 +03:00
parent 62c1bebe2e
commit 2bdd2fab6e
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1 changed files with 7 additions and 0 deletions
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stew/objects.nim
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@ -24,3 +24,10 @@ proc toArray*[T](N: static int, data: openarray[T]): array[N, T] =
template anonConst*(val: untyped): untyped =
const c = val
c
when not compiles(len((1, 2))):
import typetraits
func len*(x: tuple): int =
arity(type(x))