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package render
import (
"fmt"
"io"
"net/http"
"github.com/pkg/errors"
)
var plainContentType = []string{"text/plain; charset=utf-8"}
// String common string struct.
type String struct {
Format string
Data []interface{}
}
// Render (String) writes data with custom ContentType.
func (r String) Render(w http.ResponseWriter) error {
return writeString(w, r.Format, r.Data)
}
// WriteContentType writes string with text/plain ContentType.
func (r String) WriteContentType(w http.ResponseWriter) {
writeContentType(w, plainContentType)
}
func writeString(w http.ResponseWriter, format string, data []interface{}) (err error) {
writeContentType(w, plainContentType)
if len(data) > 0 {
_, err = fmt.Fprintf(w, format, data...)
} else {
_, err = io.WriteString(w, format)
}
if err != nil {
err = errors.WithStack(err)
}
return
}
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