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https://github.com/araddon/dateparse.git
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fix time-zone of "Fri, 5 Jan 2018 14:09:32 -0700 (MST)" format closes #39
This commit is contained in:
Aaron Raddon
parent
a7818d843a
commit
036f821411
108
parseany.go
108
parseany.go
@ -61,8 +61,10 @@ const (
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stateAlphaWSAlphaColonAlphaOffset
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stateAlphaWSAlphaColonAlphaOffsetAlpha
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stateWeekdayComma
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stateWeekdayCommaDash
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stateWeekdayCommaOffset
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stateWeekdayAbbrevComma
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stateWeekdayAbbrevCommaDash
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stateWeekdayAbbrevCommaOffset
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stateWeekdayAbbrevCommaOffsetZone
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)
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@ -127,6 +129,7 @@ func parseTime(datestr string, loc *time.Location) (time.Time, error) {
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part1Len := 0
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part2Len := 0
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dayLen := 0
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// General strategy is to read rune by rune through the date looking for
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// certain hints of what type of date we are dealing with.
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@ -495,13 +498,16 @@ iterRunes:
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// May 8, 2009 5:57:51 PM
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//
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// stateWeekdayComma
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// Monday, 02 Jan 2006 15:04:05 MST
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// stateWeekdayCommaDash
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// Monday, 02-Jan-06 15:04:05 MST
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// stateWeekdayCommaOffset
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// Monday, 02 Jan 2006 15:04:05 -0700
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// Monday, 02 Jan 2006 15:04:05 +0100
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// stateWeekdayAbbrevComma
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// Mon, 02-Jan-06 15:04:05 MST
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// Mon, 02 Jan 2006 15:04:05 MST
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// stateWeekdayAbbrevCommaDash
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// Mon, 02-Jan-06 15:04:05 MST
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// stateWeekdayAbbrevCommaOffset
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// Mon, 02 Jan 2006 15:04:05 -0700
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// Thu, 13 Jul 2017 08:58:40 +0100
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@ -513,47 +519,35 @@ iterRunes:
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case r == ' ':
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state = stateAlphaWS
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case r == ',':
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part1Len = i
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if i == 3 {
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state = stateWeekdayAbbrevComma
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} else {
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state = stateWeekdayComma
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}
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i++
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}
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case stateWeekdayComma: // Starts alpha then comma
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// Mon, 02-Jan-06 15:04:05 MST
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// Mon, 02 Jan 2006 15:04:05 MST
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// Monday, 02 Jan 2006 15:04:05 MST
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// stateWeekdayCommaDash
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// Monday, 02-Jan-06 15:04:05 MST
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// stateWeekdayCommaOffset
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// Monday, 02 Jan 2006 15:04:05 -0700
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// Monday, 02 Jan 2006 15:04:05 +0100
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switch {
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case r == '-':
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if i < 15 {
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for _, layout := range []string{
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"Monday, 02-Jan-06 15:04:05 MST",
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"Monday, 02-Jan-06 15:4:05 MST",
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"Monday, 02-Jan-06 15:04:5 MST",
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"Monday, 02-Jan-06 15:4:5 MST",
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"Monday, 2-Jan-06 15:04:05 MST",
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"Monday, 2-Jan-06 15:4:05 MST",
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"Monday, 2-Jan-06 15:4:5 MST",
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"Monday, 2-Jan-06 15:04:5 MST",
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"Monday, 2-Jan-6 15:04:05 MST",
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"Monday, 2-Jan-6 15:4:05 MST",
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"Monday, 2-Jan-6 15:4:5 MST",
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"Monday, 2-Jan-6 15:04:5 MST",
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} {
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if t, err := parse(layout, datestr, loc); err == nil {
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return t, nil
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}
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}
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state = stateWeekdayCommaDash
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break iterRunes
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}
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state = stateWeekdayCommaOffset
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case r == '+':
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state = stateWeekdayCommaOffset
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}
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case stateWeekdayAbbrevComma: // Starts alpha then comma
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// Mon, 02-Jan-06 15:04:05 MST
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// Mon, 02 Jan 2006 15:04:05 MST
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// stateWeekdayAbbrevCommaDash
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// Mon, 02-Jan-06 15:04:05 MST
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// stateWeekdayAbbrevCommaOffset
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// Mon, 02 Jan 2006 15:04:05 -0700
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// Thu, 13 Jul 2017 08:58:40 +0100
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@ -561,26 +555,12 @@ iterRunes:
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// stateWeekdayAbbrevCommaOffsetZone
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// Tue, 11 Jul 2017 16:28:13 +0200 (CEST)
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switch {
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case r == ' ' && dayLen == 0:
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dayLen = i - part1Len - 2
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case r == '-':
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if i < 15 {
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for _, layout := range []string{
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"Mon, 02-Jan-06 15:04:05 MST",
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"Mon, 02-Jan-06 15:4:05 MST",
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"Mon, 02-Jan-06 15:04:5 MST",
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"Mon, 02-Jan-06 15:4:5 MST",
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"Mon, 2-Jan-06 15:04:05 MST",
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"Mon, 2-Jan-06 15:4:05 MST",
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"Mon, 2-Jan-06 15:4:5 MST",
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"Mon, 2-Jan-06 15:04:5 MST",
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"Mon, 2-Jan-6 15:04:05 MST",
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"Mon, 2-Jan-6 15:4:05 MST",
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"Mon, 2-Jan-6 15:4:5 MST",
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"Mon, 2-Jan-6 15:04:5 MST",
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} {
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if t, err := parse(layout, datestr, loc); err == nil {
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return t, nil
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}
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}
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state = stateWeekdayAbbrevCommaDash
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break iterRunes
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}
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state = stateWeekdayAbbrevCommaOffset
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case r == '+':
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@ -1474,6 +1454,27 @@ iterRunes:
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}
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}
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case stateWeekdayCommaDash:
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// Monday, 02-Jan-06 15:04:05 MST
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for _, layout := range []string{
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"Monday, 02-Jan-06 15:04:05 MST",
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"Monday, 02-Jan-06 15:4:05 MST",
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"Monday, 02-Jan-06 15:04:5 MST",
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"Monday, 02-Jan-06 15:4:5 MST",
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"Monday, 2-Jan-06 15:04:05 MST",
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"Monday, 2-Jan-06 15:4:05 MST",
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"Monday, 2-Jan-06 15:4:5 MST",
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"Monday, 2-Jan-06 15:04:5 MST",
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"Monday, 2-Jan-6 15:04:05 MST",
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"Monday, 2-Jan-6 15:4:05 MST",
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"Monday, 2-Jan-6 15:4:5 MST",
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"Monday, 2-Jan-6 15:04:5 MST",
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} {
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if t, err := parse(layout, datestr, loc); err == nil {
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return t, nil
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}
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}
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case stateWeekdayAbbrevComma: // Starts alpha then comma
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// Mon, 02-Jan-06 15:04:05 MST
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// Mon, 02 Jan 2006 15:04:05 MST
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@ -1488,6 +1489,28 @@ iterRunes:
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}
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}
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case stateWeekdayAbbrevCommaDash:
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// Mon, 02-Jan-06 15:04:05 MST
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// Mon, 2-Jan-06 15:04:05 MST
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for _, layout := range []string{
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"Mon, 02-Jan-06 15:04:05 MST",
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"Mon, 02-Jan-06 15:4:05 MST",
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"Mon, 02-Jan-06 15:04:5 MST",
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"Mon, 02-Jan-06 15:4:5 MST",
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"Mon, 2-Jan-06 15:04:05 MST",
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"Mon, 2-Jan-06 15:4:05 MST",
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"Mon, 2-Jan-06 15:4:5 MST",
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"Mon, 2-Jan-06 15:04:5 MST",
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"Mon, 2-Jan-6 15:04:05 MST",
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"Mon, 2-Jan-6 15:4:05 MST",
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"Mon, 2-Jan-6 15:4:5 MST",
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"Mon, 2-Jan-6 15:04:5 MST",
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} {
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if t, err := parse(layout, datestr, loc); err == nil {
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return t, nil
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}
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}
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case stateWeekdayAbbrevCommaOffset:
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// Mon, 02 Jan 2006 15:04:05 -0700
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// Thu, 13 Jul 2017 08:58:40 +0100
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@ -1507,7 +1530,10 @@ iterRunes:
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case stateWeekdayAbbrevCommaOffsetZone:
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// Tue, 11 Jul 2017 16:28:13 +0200 (CEST)
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return parse("Mon, _2 Jan 2006 15:04:05 -0700 (CEST)", datestr, loc)
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if dayLen == 1 {
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return parse("Mon, 2 Jan 2006 15:04:05 -0700 (MST)", datestr, loc)
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}
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return parse("Mon, _2 Jan 2006 15:04:05 -0700 (MST)", datestr, loc)
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}
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return time.Time{}, fmt.Errorf("Could not find date format for %s", datestr)
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@ -38,6 +38,9 @@ func TestInLocation(t *testing.T) {
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assert.Equal(t, "UTC", zone, "Should have found zone = UTC %v", zone)
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assert.Equal(t, "2013-02-01 00:00:00 +0000 UTC", fmt.Sprintf("%v", ts.In(time.UTC)))
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ts = MustParse("Tue, 5 Jul 2017 16:28:13 -0700 (MST)")
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assert.Equal(t, "2017-07-05 23:28:13 +0000 UTC", fmt.Sprintf("%v", ts.In(time.UTC)))
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// Now we are going to use ParseIn() and see that it gives different answer
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// with different zone, offset
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time.Local = nil
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@ -178,6 +181,9 @@ func TestParse(t *testing.T) {
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ts = MustParse("Tue, 11 Jul 2017 16:28:13 +0200 (CEST)")
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assert.Equal(t, "2017-07-11 14:28:13 +0000 UTC", fmt.Sprintf("%v", ts.In(time.UTC)))
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ts = MustParse("Tue, 5 Jul 2017 16:28:13 -0700 (CEST)")
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assert.Equal(t, "2017-07-05 23:28:13 +0000 UTC", fmt.Sprintf("%v", ts.In(time.UTC)))
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ts = MustParse("Thu, 13 Jul 2017 08:58:40 +0100")
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assert.Equal(t, "2017-07-13 07:58:40 +0000 UTC", fmt.Sprintf("%v", ts.In(time.UTC)))
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