25 lines
352 B
Go
25 lines
352 B
Go
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package single
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import (
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"log"
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"sync"
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)
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var (
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color string
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once sync.Once
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)
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func Color() string {
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if color == "" {
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panic("color not initialized")
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}
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return color
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}
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func SetColor(c string) {
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log.Println("color initialization")
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once.Do(func() { color = c })
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log.Println("color initialized to", color)
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}
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