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net/http: document that FormValue returns the empty string

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Fixes #8137

Change-Id: Icd94bbe430a3ef333248425449b5fc678edb0343
Reviewed-on: https://go-review.googlesource.com/11410
Reviewed-by: Andrew Gerrand <adg@golang.org>
This commit is contained in:
Brad Fitzpatrick 2015-06-24 12:34:06 +02:00
parent 33ce9c19d7
commit 2917ab2049
1 changed files with 2 additions and 0 deletions
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2
src/net/http/request.go
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@ -878,6 +878,7 @@ func (r *Request) ParseMultipartForm(maxMemory int64) error {
// POST and PUT body parameters take precedence over URL query string values.
// FormValue calls ParseMultipartForm and ParseForm if necessary and ignores
// any errors returned by these functions.
// If key is not present, FormValue returns the empty string.
// To access multiple values of the same key, call ParseForm and
// then inspect Request.Form directly.
func (r *Request) FormValue(key string) string {
@ -894,6 +895,7 @@ func (r *Request) FormValue(key string) string {
// or PUT request body. URL query parameters are ignored.
// PostFormValue calls ParseMultipartForm and ParseForm if necessary and ignores
// any errors returned by these functions.
// If key is not present, PostFormValue returns the empty string.
func (r *Request) PostFormValue(key string) string {
if r.PostForm == nil {
r.ParseMultipartForm(defaultMaxMemory)