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// Copyright 2014 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 runes_test
import (
"fmt"
"unicode"
"golang.org/x/text/runes"
"golang.org/x/text/transform"
"golang.org/x/text/unicode/norm"
"golang.org/x/text/width"
)
func ExampleRemove() {
t := transform.Chain(norm.NFD, runes.Remove(runes.In(unicode.Mn)), norm.NFC)
s, _, _ := transform.String(t, "résumé")
fmt.Println(s)
// Output:
// resume
}
func ExampleMap() {
replaceHyphens := runes.Map(func(r rune) rune {
if unicode.Is(unicode.Hyphen, r) {
return '|'
}
return r
})
s, _, _ := transform.String(replaceHyphens, "a-b‐c⸗d﹣e")
fmt.Println(s)
// Output:
// a|b|c|d|e
}
func ExampleIn() {
// Convert Latin characters to their canonical form, while keeping other
// width distinctions.
t := runes.If(runes.In(unicode.Latin), width.Fold, nil)
s, _, _ := transform.String(t, "ｱﾙｱﾉﾘｳ tech / アルアノリウ ｔｅｃｈ")
fmt.Println(s)
// Output:
// ｱﾙｱﾉﾘｳ tech / アルアノリウ tech
}
func ExampleIf() {
// Widen everything but ASCII.
isASCII := func(r rune) bool { return r <= unicode.MaxASCII }
t := runes.If(runes.Predicate(isASCII), nil, width.Widen)
s, _, _ := transform.String(t, "ｱﾙｱﾉﾘｳ tech / 中國 / 5₩")
fmt.Println(s)
// Output:
// アルアノリウ tech / 中國 / 5￦
}
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