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Merge pull request #5002 from goldenreign/time-compare-nosideeffect

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Add 'noSideEffect' pragma for Time type's operators. Fixes #4981
This commit is contained in:
Andreas Rumpf 2016-11-07 16:52:34 +01:00 • committed by GitHub
commit 4c79583a95
2 changed files with 16 additions and 5 deletions
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10
lib/pure/times.nim
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@ -96,7 +96,7 @@ elif defined(JS):
getMinutes: proc (): int {.tags: [], raises: [], benign.}
getMonth: proc (): int {.tags: [], raises: [], benign.}
getSeconds: proc (): int {.tags: [], raises: [], benign.}
getTime: proc (): int {.tags: [], raises: [], benign.}
getTime: proc (): int {.tags: [], raises: [], noSideEffect, benign.}
getTimezoneOffset: proc (): int {.tags: [], raises: [], benign.}
getDate: proc (): int {.tags: [], raises: [], benign.}
getUTCDate: proc (): int {.tags: [], raises: [], benign.}
@ -207,21 +207,21 @@ proc toSeconds*(time: Time): float {.tags: [], raises: [], benign.}
## Returns the time in seconds since the unix epoch.
proc `-`*(a, b: Time): int64 {.
rtl, extern: "ntDiffTime", tags: [], raises: [], benign.}
rtl, extern: "ntDiffTime", tags: [], raises: [], noSideEffect, benign.}
## computes the difference of two calendar times. Result is in seconds.
proc `<`*(a, b: Time): bool {.
rtl, extern: "ntLtTime", tags: [], raises: [].} =
rtl, extern: "ntLtTime", tags: [], raises: [], noSideEffect.} =
## returns true iff ``a < b``, that is iff a happened before b.
result = a - b < 0
proc `<=` * (a, b: Time): bool {.
rtl, extern: "ntLeTime", tags: [], raises: [].}=
rtl, extern: "ntLeTime", tags: [], raises: [], noSideEffect.}=
## returns true iff ``a <= b``.
result = a - b <= 0
proc `==`*(a, b: Time): bool {.
rtl, extern: "ntEqTime", tags: [], raises: [].} =
rtl, extern: "ntEqTime", tags: [], raises: [], noSideEffect.} =
## returns true if ``a == b``, that is if both times represent the same value
result = a - b == 0