35 lines
827 B
Go
35 lines
827 B
Go
package clock
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import "fmt"
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// TestVersion is for exercism
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const TestVersion = 2
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// Clock is an int representing the time of day
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type Clock int
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// Time returns a Clock representing the given hour & minute
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func Time(hour, minute int) Clock {
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return TimeFromMinutes(hour*60 + minute)
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}
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// String returns a string representation of Clock
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func (c Clock) String() string {
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return fmt.Sprintf("%02d:%02d", c/60, c%60)
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}
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// Add adds minutes to the clock
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func (c Clock) Add(minutes int) Clock {
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return TimeFromMinutes(int(c) + minutes)
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}
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// TimeFromMinutes takes a minutes integer value and returns a Clock
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func TimeFromMinutes(minutes int) Clock {
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for minutes < 0 {
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// Keep adding 24 hours to the minutes value until it's positive
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minutes = minutes + (24 * 60)
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}
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minutes = minutes % (24 * 60)
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return Clock(minutes)
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}
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