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Merge pull request #7033 from GULPF/allow-timezone-closures

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Allow timezone procs to be closures
This commit is contained in:
Dominik Picheta
2018-01-10 17:45:29 +00:00
committed by GitHub
parent 5f3438a3fe c098ee3c7a
commit 24cae4addb
2 changed files with 26 additions and 2 deletions
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4
lib/pure/times.nim
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@@ -129,8 +129,8 @@ type
## The ``times`` module only supplies implementations for the systems local time and UTC.
## The members ``zoneInfoFromUtc`` and ``zoneInfoFromTz`` should not be accessed directly
## and are only exported so that ``Timezone`` can be implemented by other modules.
zoneInfoFromUtc*: proc (time: Time): ZonedTime {.nimcall, tags: [], raises: [], benign .}
zoneInfoFromTz*: proc (adjTime: Time): ZonedTime {.nimcall, tags: [], raises: [], benign .}
zoneInfoFromUtc*: proc (time: Time): ZonedTime {.tags: [], raises: [], benign.}
zoneInfoFromTz*: proc (adjTime: Time): ZonedTime {.tags: [], raises: [], benign.}
name*: string ## The name of the timezone, f.ex 'Europe/Stockholm' or 'Etc/UTC'. Used for checking equality.
## Se also: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
ZonedTime* = object ## Represents a zooned instant in time that is not associated with any calendar.

24
tests/stdlib/ttimes.nim
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@@ -281,6 +281,30 @@ suite "ttimes":
test "parseTest":
runTimezoneTests()
test "dynamic timezone":
proc staticOffset(offset: int): Timezone =
proc zoneInfoFromTz(adjTime: Time): ZonedTime =
result.isDst = false
result.utcOffset = offset
result.adjTime = adjTime
proc zoneInfoFromUtc(time: Time): ZonedTime =
result.isDst = false
result.utcOffset = offset
result.adjTime = fromUnix(time.toUnix - offset)
result.name = ""
result.zoneInfoFromTz = zoneInfoFromTz
result.zoneInfoFromUtc = zoneInfoFromUtc
let tz = staticOffset(-9000)
let dt = initDateTime(1, mJan, 2000, 12, 00, 00, tz)
check dt.utcOffset == -9000
check dt.isDst == false
check $dt == "2000-01-01T12:00:00+02:30"
check $dt.utc == "2000-01-01T09:30:00+00:00"
check $dt.utc.inZone(tz) == $dt
test "isLeapYear":
check isLeapYear(2016)
check (not isLeapYear(2015))