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type
Result*[T, E] = object
when T is void:
when E is void:
oResultPrivate*: bool
else:
case oResultPrivate*: bool
of false:
eResultPrivate*: E
of true:
discard
else:
when E is void:
case oResultPrivate*: bool
of false:
discard
of true:
vResultPrivate*: T
else:
case oResultPrivate*: bool
of false:
eResultPrivate*: E
of true:
vResultPrivate*: T
template valueOr*[T: not void, E](self: Result[T, E], def: untyped): untyped =
let s = (self) # TODO avoid copy
case s.oResultPrivate
of true:
s.vResultPrivate
of false:
when E isnot void:
template error: untyped {.used, inject.} = s.eResultPrivate
def
|
