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| author | Oscar Nihlgård <oscarnihlgard@gmail.com> | 2018-08-07 09:24:54 +0200 |
|---|---|---|
| committer | Andreas Rumpf <rumpf_a@web.de> | 2018-08-07 09:24:54 +0200 |
| commit | 9b9cfa7306d696961cc6fd590ca72c08f66bdcb3 (patch) | |
| tree | e1e9c2123bca89dc8e21207607c800de47f58c9a | |
| parent | c3d5ec8eadf3aa887f34231c2d7b5818923818d4 (diff) | |
| download | Nim-9b9cfa7306d696961cc6fd590ca72c08f66bdcb3.tar.gz | |
Stricter signature for countdown/countup (#8549)
| -rw-r--r-- | lib/system.nim | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/system.nim b/lib/system.nim index 0cfa39e19..94baf7370 100644 --- a/lib/system.nim +++ b/lib/system.nim @@ -1978,7 +1978,7 @@ when sizeof(int) <= 2: else: type IntLikeForCount = int|int8|int16|int32|char|bool|uint8|uint16|enum -iterator countdown*[T](a, b: T, step = 1): T {.inline.} = +iterator countdown*[T](a, b: T, step: Positive = 1): T {.inline.} = ## Counts from ordinal value `a` down to `b` (inclusive) with the given ## step count. `T` may be any ordinal type, `step` may only ## be positive. **Note**: This fails to count to ``low(int)`` if T = int for @@ -2001,7 +2001,7 @@ iterator countdown*[T](a, b: T, step = 1): T {.inline.} = dec(res, step) when defined(nimNewRoof): - iterator countup*[T](a, b: T, step = 1): T {.inline.} = + iterator countup*[T](a, b: T, step: Positive = 1): T {.inline.} = ## Counts from ordinal value `a` up to `b` (inclusive) with the given ## step count. `S`, `T` may be any ordinal type, `step` may only ## be positive. **Note**: This fails to count to ``high(int)`` if T = int for @@ -2018,7 +2018,7 @@ when defined(nimNewRoof): inc(res, step) iterator `..`*[T](a, b: T): T {.inline.} = - ## An alias for `countup`. + ## An alias for `countup(a, b, 1)`. when T is IntLikeForCount: var res = int(a) while res <= int(b): |