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language/httpexample_test.go
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cui fliter
all: fix some comments
04 апр 2023, 17:19
04 апр 2023, 17:19
48e4a4a
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// Copyright 2016 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package language_test import ( "fmt" "net/http" "strings" "golang.org/x/text/language" ) // matcher is a language.Matcher configured for all supported languages. var matcher = language.NewMatcher([]language.Tag{ language.BritishEnglish, language.Norwegian, language.German, }) // handler is an http.HandlerFunc. func handler(w http.ResponseWriter, r *http.Request) { t, q, err := language.ParseAcceptLanguage(r.Header.Get("Accept-Language")) // We ignore the error: the default language will be selected for t == nil. tag, _, _ := matcher.Match(t...) fmt.Printf("%17v (t: %6v; q: %3v; err: %v)\n", tag, t, q, err) } func ExampleParseAcceptLanguage() { for _, al := range []string{ "nn;q=0.3, en-us;q=0.8, en,", "gsw, en;q=0.7, en-US;q=0.8", "gsw, nl, da", "invalid", } { // Create dummy request with Accept-Language set and pass it to handler. r, _ := http.NewRequest("GET", "example.com", strings.NewReader("Hello")) r.Header.Set("Accept-Language", al) handler(nil, r) } // Output: // en-GB (t: [ en en-US nn]; q: [ 1 0.8 0.3]; err: <nil>) // en-GB-u-rg-uszzzz (t: [ gsw en-US en]; q: [ 1 0.8 0.7]; err: <nil>) // de (t: [ gsw nl da]; q: [ 1 1 1]; err: <nil>) // en-GB (t: []; q: []; err: language: tag is not well-formed) }