50 строки
822 Б
Go
50 строки
822 Б
Go
package godog
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import (
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"fmt"
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"os"
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"strings"
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)
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// empty struct value takes no space allocation
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type void struct{}
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// a color code type
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type color int
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const ansiEscape = "\x1b"
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// some ansi colors
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const (
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black color = iota + 30
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red
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green
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yellow
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blue
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magenta
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cyan
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white
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)
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// colorizes foreground s with color c
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func cl(s interface{}, c color) string {
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return fmt.Sprintf("%s[%dm%v%s[0m", ansiEscape, c, s, ansiEscape)
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}
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// colorizes foreground s with bold color c
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func bcl(s interface{}, c color) string {
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return fmt.Sprintf("%s[1;%dm%v%s[0m", ansiEscape, c, s, ansiEscape)
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}
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// repeats a space n times
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func s(n int) string {
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return strings.Repeat(" ", n)
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}
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// checks the error and exits with error status code
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func fatal(err error) {
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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}
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