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Add none[T]() as alias to none(T) (#7512)

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* Add none[T]() as alias to none(T)

* Add tests for none[T]

* this test shouldn't work anyway
This commit is contained in:
hlaaf 2018-04-16 22:01:37 +03:00 • committed by Andreas Rumpf
commit 38b2596ff9
1 changed files with 8 additions and 0 deletions
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8
lib/pure/options.nim
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@ -104,6 +104,10 @@ proc none*(T: typedesc): Option[T] =
# the default is the none type # the default is the none type
discard discard
proc none*[T]: Option[T] =
## Alias for ``none(T)``.
none(T)
proc isSome*[T](self: Option[T]): bool {.inline.} = proc isSome*[T](self: Option[T]): bool {.inline.} =
when T is SomePointer: when T is SomePointer:
self.val != nil self.val != nil
@ -290,3 +294,7 @@ when isMainModule:
let tmp = option(intref) let tmp = option(intref)
check(sizeof(tmp) == sizeof(ptr int)) check(sizeof(tmp) == sizeof(ptr int))
test "none[T]":
check(none[int]().isNone)
check(none(int) == none[int]())