| // run |
| |
| // Copyright 2022 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. |
| |
| // Examples from the language spec section on string conversions. |
| |
| package main |
| |
| func main() { |
| // 1 |
| _ = string('a') // "a" |
| _ = string(-1) // "\ufffd" == "\xef\xbf\xbd" |
| _ = string(0xf8) // "\u00f8" == "ø" == "\xc3\xb8" |
| |
| type myString string |
| _ = myString(0x65e5) // "\u65e5" == "日" == "\xe6\x97\xa5" |
| |
| // 2 |
| _ = string([]byte{'h', 'e', 'l', 'l', '\xc3', '\xb8'}) // "hellø" |
| _ = string([]byte{}) // "" |
| _ = string([]byte(nil)) // "" |
| |
| type bytes []byte |
| _ = string(bytes{'h', 'e', 'l', 'l', '\xc3', '\xb8'}) // "hellø" |
| |
| type myByte byte |
| _ = string([]myByte{'w', 'o', 'r', 'l', 'd', '!'}) // "world!" |
| _ = myString([]myByte{'\xf0', '\x9f', '\x8c', '\x8d'}) // "🌍 |
| |
| // 3 |
| _ = string([]rune{0x767d, 0x9d6c, 0x7fd4}) // "\u767d\u9d6c\u7fd4" == "白鵬翔" |
| _ = string([]rune{}) // "" |
| _ = string([]rune(nil)) // "" |
| |
| type runes []rune |
| _ = string(runes{0x767d, 0x9d6c, 0x7fd4}) // "\u767d\u9d6c\u7fd4" == "白鵬翔" |
| |
| type myRune rune |
| _ = string([]myRune{0x266b, 0x266c}) // "\u266b\u266c" == "♫♬" |
| _ = myString([]myRune{0x1f30e}) // "\U0001f30e" == "🌎 |
| |
| // 4 |
| _ = []byte("hellø") // []byte{'h', 'e', 'l', 'l', '\xc3', '\xb8'} |
| _ = []byte("") // []byte{} |
| |
| _ = bytes("hellø") // []byte{'h', 'e', 'l', 'l', '\xc3', '\xb8'} |
| |
| _ = []myByte("world!") // []myByte{'w', 'o', 'r', 'l', 'd', '!'} |
| _ = []myByte(myString("🌏")) // []myByte{'\xf0', '\x9f', '\x8c', '\x8f'} |
| |
| // 5 |
| _ = []rune(myString("白鵬翔")) // []rune{0x767d, 0x9d6c, 0x7fd4} |
| _ = []rune("") // []rune{} |
| |
| _ = runes("白鵬翔") // []rune{0x767d, 0x9d6c, 0x7fd4} |
| |
| _ = []myRune("♫♬") // []myRune{0x266b, 0x266c} |
| _ = []myRune(myString("🌐")) // []myRune{0x1f310} |
| } |
