package tmpl

import (
	"bytes"
	"io"
)

type Executor interface {
	Execute(wr io.Writer, data interface{}) error
}

// AsString to convert template to string
func AsString(t Executor, data interface{}) (string, error) {
	var buf bytes.Buffer
	if err := t.Execute(&buf, data); err != nil {
		return "", err
	}
	return buf.String(), nil
}

// String to convert template to string and ignores errors
func String(t Executor, data interface{}) string {
	if result, err := AsString(t, data); err == nil {
		return result
	} else {
		return ""
	}
}