Improve docs around subtracting times (#6152)

The output can be surprising - better provide examples.
This commit is contained in:
Federico Ceratto
2017-09-03 00:01:06 +01:00
committed by Andreas Rumpf
parent 0861249de7
commit bad52ca29a

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@@ -222,6 +222,12 @@ proc toSeconds*(time: Time): float {.tags: [], raises: [], benign.}
proc `-`*(a, b: Time): int64 {.
rtl, extern: "ntDiffTime", tags: [], raises: [], noSideEffect, benign.}
## computes the difference of two calendar times. Result is in seconds.
## .. code-block:: nim
##
## let a = fromSeconds(1_000_000_000)
## let b = fromSeconds(1_500_000_000)
## echo initInterval(seconds=int(b - a))
## # (milliseconds: 0, seconds: 20, minutes: 53, hours: 0, days: 5787, months: 0, years: 0)
proc `<`*(a, b: Time): bool {.
rtl, extern: "ntLtTime", tags: [], raises: [], noSideEffect.} =
@@ -318,6 +324,12 @@ proc `-`*(ti: TimeInterval): TimeInterval =
proc `-`*(ti1, ti2: TimeInterval): TimeInterval =
## Subtracts TimeInterval ``ti1`` from ``ti2``.
## .. code-block:: nim
##
## let a = fromSeconds(1_000_000_000)
## let b = fromSeconds(1_500_000_000)
## echo b.toTimeInterval - a.toTimeInterval
## # (milliseconds: 0, seconds: -40, minutes: -6, hours: 1, days: -2, months: -2, years: 16)
result = ti1 + (-ti2)
proc isLeapYear*(year: int): bool =