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package funcs
import (
"sync"
"github.com/hairyhenderson/gomplate/conv"
"github.com/hairyhenderson/gomplate/env"
)
var (
ef *EnvFuncs
efInit sync.Once
)
// EnvNS - the Env namespace
func EnvNS() *EnvFuncs {
efInit.Do(func() { ef = &EnvFuncs{} })
return ef
}
// AddEnvFuncs -
func AddEnvFuncs(f map[string]interface{}) {
f["env"] = EnvNS
// global aliases - for backwards compatibility
f["getenv"] = EnvNS().Getenv
}
// EnvFuncs -
type EnvFuncs struct{}
// Getenv -
func (f *EnvFuncs) Getenv(key interface{}, def ...string) string {
return env.Getenv(conv.ToString(key), def...)
}
// ExpandEnv -
func (f *EnvFuncs) ExpandEnv(s interface{}) string {
return env.ExpandEnv(conv.ToString(s))
}
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