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264 lines
7.4 KiB
Plaintext
264 lines
7.4 KiB
Plaintext
def borrow-year [from: record, current: record] {
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mut current = $current
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$current.year = $current.year - 1
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$current.month = $current.month + 12
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$current
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}
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def leap-year-days [year] {
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if $year mod 400 == 0 {
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29
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} else if $year mod 4 == 0 and $year mod 100 != 0 {
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29
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} else {
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28
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}
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}
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def borrow-month [from: record, current: record] {
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mut current = $current
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if $from.month in [1, 3, 5, 7, 8, 10, 12] {
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$current.day = $current.day + 31
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$current.month = $current.month - 1
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if $current.month < 0 {
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$current = (borrow-year $from $current)
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}
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} else if $from.month in [4, 6, 9, 11] {
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$current.day = $current.day + 30
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$current.month = $current.month - 1
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if $current.month < 0 {
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$current = (borrow-year $from $current)
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}
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} else {
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# oh February
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let num_days_feb = (leap-year-days $current.year)
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$current.day = $current.day + $num_days_feb
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$current.month = $current.month - 1
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if $current.month < 0 {
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$current = (borrow-year $from $current)
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}
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}
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$current
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}
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def borrow-day [from: record, current: record] {
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mut current = $current
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$current.hour = $current.hour + 24
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$current.day = $current.day - 1
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if $current.day < 0 {
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$current = (borrow-month $from $current)
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}
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$current
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}
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def borrow-hour [from: record, current: record] {
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mut current = $current
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$current.minute = $current.minute + 60
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$current.hour = $current.hour - 1
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if $current.hour < 0 {
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$current = (borrow-day $from $current)
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}
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$current
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}
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def borrow-minute [from: record, current: record] {
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mut current = $current
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$current.second = $current.second + 60
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$current.minute = $current.minute - 1
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if $current.minute < 0 {
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$current = (borrow-hour $from $current)
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}
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$current
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}
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def borrow-second [from: record, current: record] {
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mut current = $current
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$current.millisecond = $current.millisecond + 1_000
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$current.second = $current.second - 1
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if $current.second < 0 {
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$current = (borrow-minute $from $current)
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}
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$current
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}
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def borrow-millisecond [from: record, current: record] {
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mut current = $current
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$current.microsecond = $current.microsecond + 1_000
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$current.millisecond = $current.millisecond - 1
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if $current.millisecond < 0 {
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$current = (borrow-second $from $current)
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}
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$current
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}
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def borrow-microsecond [from: record, current: record] {
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mut current = $current
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$current.nanosecond = $current.nanosecond + 1_000
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$current.microsecond = $current.microsecond - 1
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if $current.microsecond < 0 {
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$current = (borrow-millisecond $from $current)
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}
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$current
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}
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# Subtract later from earlier datetime and return the unit differences as a record
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@example "Get the difference between two dates" {
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dt datetime-diff 2023-05-07T04:08:45.582926123+12:00 2019-05-10T09:59:12.967486456-07:00
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} --result {
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year: 3,
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month: 11,
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day: 26,
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hour: 23,
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minute: 9,
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second: 32,
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millisecond: 615,
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microsecond: 439,
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nanosecond: 667,
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}
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export def datetime-diff [
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later: datetime, # a later datetime
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earlier: datetime # earlier (starting) datetime
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]: [nothing -> record] {
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if $earlier > $later {
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let start = (metadata $later).span.start
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let end = (metadata $earlier).span.end
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error make {
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msg: "Incompatible arguments",
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label: {
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span: {
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start: $start
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end: $end
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}
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text: $"First datetime must be >= second, but was actually ($later - $earlier) less than it."
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}
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}
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}
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let from_expanded = ($later | date to-timezone utc | into record)
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let to_expanded = ($earlier | date to-timezone utc | into record)
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mut result = { year: ($from_expanded.year - $to_expanded.year), month: ($from_expanded.month - $to_expanded.month), day:0, hour:0, minute:0, second:0, millisecond:0, microsecond:0, nanosecond:0}
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if $result.month < 0 {
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$result = (borrow-year $from_expanded $result)
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}
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$result.day = $from_expanded.day - $to_expanded.day
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if $result.day < 0 {
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$result = (borrow-month $from_expanded $result)
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}
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$result.hour = $from_expanded.hour - $to_expanded.hour
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if $result.hour < 0 {
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$result = (borrow-day $from_expanded $result)
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}
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$result.minute = $from_expanded.minute - $to_expanded.minute
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if $result.minute < 0 {
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$result = (borrow-hour $from_expanded $result)
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}
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$result.second = $from_expanded.second - $to_expanded.second
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if $result.second < 0 {
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$result = (borrow-minute $from_expanded $result)
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}
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$result.millisecond = $from_expanded.millisecond - $to_expanded.millisecond
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if $result.millisecond < 0 {
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$result = (borrow-second $from_expanded $result)
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}
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$result.microsecond = $from_expanded.microsecond - $to_expanded.microsecond
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if $result.microsecond < 0 {
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$result = (borrow-millisecond $from_expanded $result)
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}
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$result.nanosecond = $from_expanded.nanosecond - $to_expanded.nanosecond
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if $result.nanosecond < 0 {
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$result = (borrow-microsecond $from_expanded $result)
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}
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$result
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}
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# Convert record from datetime-diff into humanized string
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@example "Format the difference between two dates into a human readable string" {
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dt pretty-print-duration (dt datetime-diff 2023-05-07T04:08:45+12:00 2019-05-10T09:59:12+12:00)
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} --result "3yrs 11months 27days 18hrs 9mins 33secs"
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export def pretty-print-duration [dur: record]: [nothing -> string] {
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mut result = ""
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if $dur.year != 0 {
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if $dur.year > 1 {
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$result = $"($dur.year)yrs "
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} else {
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$result = $"($dur.year)yr "
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}
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}
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if $dur.month != 0 {
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if $dur.month > 1 {
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$result = $"($result)($dur.month)months "
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} else {
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$result = $"($result)($dur.month)month "
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}
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}
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if $dur.day != 0 {
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if $dur.day > 1 {
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$result = $"($result)($dur.day)days "
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} else {
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$result = $"($result)($dur.day)day "
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}
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}
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if $dur.hour != 0 {
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if $dur.hour > 1 {
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$result = $"($result)($dur.hour)hrs "
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} else {
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$result = $"($result)($dur.hour)hr "
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}
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}
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if $dur.minute != 0 {
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if $dur.minute > 1 {
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$result = $"($result)($dur.minute)mins "
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} else {
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$result = $"($result)($dur.minute)min "
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}
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}
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if $dur.second != 0 {
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if $dur.second > 1 {
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$result = $"($result)($dur.second)secs "
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} else {
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$result = $"($result)($dur.second)sec "
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}
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}
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if $dur.millisecond != 0 {
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if $dur.millisecond > 1 {
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$result = $"($result)($dur.millisecond)ms "
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} else {
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$result = $"($result)($dur.millisecond)ms "
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}
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}
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if $dur.microsecond != 0 {
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if $dur.microsecond > 1 {
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$result = $"($result)($dur.microsecond)µs "
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} else {
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$result = $"($result)($dur.microsecond)µs "
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}
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}
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if $dur.nanosecond != 0 {
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if $dur.nanosecond > 1 {
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$result = $"($result)($dur.nanosecond)ns "
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} else {
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$result = $"($result)($dur.nanosecond)ns "
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}
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}
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$result
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}
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