vendor/github.com/mattn/go-colorable/colorable_appengine.go

   1 // +build appengine
   2
   3 package colorable
   4
   5 import (
   6         "io"
   7         "os"
   8
   9         _ "github.com/mattn/go-isatty"
  10 )
  11
  12 // NewColorable return new instance of Writer which handle escape sequence.
  13 func NewColorable(file *os.File) io.Writer {
  14         if file == nil {
  15                 panic("nil passed instead of *os.File to NewColorable()")
  16         }
  17
  18         return file
  19 }
  20
  21 // NewColorableStdout return new instance of Writer which handle escape sequence for stdout.
  22 func NewColorableStdout() io.Writer {
  23         return os.Stdout
  24 }
  25
  26 // NewColorableStderr return new instance of Writer which handle escape sequence for stderr.
  27 func NewColorableStderr() io.Writer {
  28         return os.Stderr
  29 }