nim-stew/stew/objects.nim

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template init*(lvalue: var auto) =
mixin init
lvalue = init(type(lvalue))
template init*(lvalue: var auto, a1: auto)=
mixin init
lvalue = init(type(lvalue), a1)
template init*(lvalue: var auto, a1, a2: auto) =
mixin init
lvalue = init(type(lvalue), a1, a2)
template init*(lvalue: var auto, a1, a2, a3: auto) =
mixin init
lvalue = init(type(lvalue), a1, a2, a3)
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when not declared(default):
proc default*(T: type): T = discard
proc toArray*[T](N: static int, data: openarray[T]): array[N, T] =
doAssert data.len == N
copyMem(addr result[0], unsafeAddr data[0], N)
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template anonConst*(val: untyped): untyped =
const c = val
c