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[bytom/vapor.git] / vendor / golang.org / x / text / width / example_test.go

diff --git a/vendor/golang.org/x/text/width/example_test.go b/vendor/golang.org/x/text/width/example_test.go
new file mode 100644 (file)
index 0000000..62adba6
--- /dev/null
+++ b/vendor/golang.org/x/text/width/example_test.go
@@ -0,0 +1,52 @@
+// 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￦￮￥Ａ"
+       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￦￮￥Ａ
+       // [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￦○￥Ａ"
+       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￦○￥Ａ
+       // [U+0061 U+0062 U+FF66 U+20A9 U+FFEE U+00A5 U+0041]: abｦ₩￮¥A
+       // [U+2190]: ←
+       // [U+FFE9]: ￩
+}