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mondash/vendor/golang.org/x/text/width/example_test.go

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// Copyright 2015 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 width_test
import (
"fmt"
"golang.org/x/text/width"
)
func ExampleTransformer_fold() {
s := "abヲ₩○¥"
f := width.Fold.String(s)
fmt.Printf("%U: %s\n", []rune(s), s)
fmt.Printf("%U: %s\n", []rune(f), f)
// Output:
// [U+0061 U+0062 U+FF66 U+FFE6 U+FFEE U+FFE5 U+FF21]: abヲ₩○¥
// [U+0061 U+0062 U+30F2 U+20A9 U+25CB U+00A5 U+0041]: abヲ₩○¥A
}
func ExampleTransformer_widen() {
s := "ab¥ヲ₩○"
w := width.Widen.String(s)
fmt.Printf("%U: %s\n", []rune(s), s)
fmt.Printf("%U: %s\n", []rune(w), w)
// Output:
// [U+0061 U+0062 U+00A5 U+FF66 U+20A9 U+FFEE]: ab¥ヲ₩○
// [U+FF41 U+FF42 U+FFE5 U+30F2 U+FFE6 U+25CB]: ab¥ヲ₩○
}
func ExampleTransformer_narrow() {
s := "abヲ₩○¥"
n := width.Narrow.String(s)
fmt.Printf("%U: %s\n", []rune(s), s)
fmt.Printf("%U: %s\n", []rune(n), n)
// Ambiguous characters with a halfwidth equivalent get mapped as well.
s = "←"
n = width.Narrow.String(s)
fmt.Printf("%U: %s\n", []rune(s), s)
fmt.Printf("%U: %s\n", []rune(n), n)
// Output:
// [U+0061 U+0062 U+30F2 U+FFE6 U+25CB U+FFE5 U+FF21]: abヲ₩○¥
// [U+0061 U+0062 U+FF66 U+20A9 U+FFEE U+00A5 U+0041]: abヲ₩○¥A
// [U+2190]: ←
// [U+FFE9]: ←
}