rune Questions

5

Solved

I wanted to this: for i := 0; i < len(str); i++ { dosomethingwithrune(str[i]) // takes a rune } But it turns out that str[i] has type byte (uint8) rather than rune. How can I iterate over t...
Maggio asked 8/8, 2013 at 16:8

5

Solved

In the following code, I iterate over a string rune by rune, but I'll actually need an int to perform some checksum calculation. Do I really need to encode the rune into a []byte, then convert it t...
Octangular asked 24/1, 2014 at 0:27

6

Solved

I have the following code, it is supposed to cast a rune into a string and print it. However, I am getting undefined characters when it is printed. I am unable to figure out where the bug is: pack...
Hustings asked 31/8, 2016 at 9:22

10

Solved

What is a rune in Go? I've been googling but Golang only says in one line: rune is an alias for int32. But how come integers are used all around like swapping cases? The following is a function ...
Leonoreleonsis asked 11/10, 2013 at 5:14

2

Solved

Here is my code snippet: var converter = map[rune]rune {//some data} sample := "⌘こんにちは" var tmp string for _, runeValue := range sample { fmt.Printf("%+q", runeValue) tmp =...
Massasauga asked 8/12, 2020 at 9:0

3

Solved

According to https://blog.golang.org/strings and my testings, it looks like while we range a string, the characters we get are rune type, but if we get it by str[index], they will be byte type, why...
Goar asked 31/10, 2019 at 0:43

3

Solved

I'm looking at the string.Map function which must take a mapping function which returns a rune. I would like to eliminate runes that resolves false with a call to: unicode.IsPrint() func Map(mappi...
Lyon asked 4/9, 2018 at 21:15

2

Solved

How can I know the position of a substring in a string, in characteres (or runes) instead of bytes? strings.Index(s, sub) will give the position in bytes. When using Unicode, it doesn't match the...
Proselytism asked 16/2, 2014 at 9:49

2

Solved

I need to slice a string in Go. Possible values can contain Latin chars and/or Arabic/Chinese chars. In the following example, the slice annotation [:1] for the Arabic string alphabet is returning ...
Dragster asked 14/7, 2015 at 22:17

4

Solved

I found this, https://groups.google.com/forum/#!topic/golang-nuts/YyKlLwuWt3w but as far as I can tell, the solutions didn't work for me. If you use the method of treating a string as a slice(str[...
Santalaceous asked 25/2, 2015 at 12:8

5

Solved

I'm having trouble sorting strings by character (to check whether two strings are anagrams, I want to sort both of them, and check for equality). I can get a []rune representation of the string s ...
Clarendon asked 11/8, 2013 at 10:49

2

Solved

Ranging over string func main() { str := "123456" for _, s := range str { fmt.Printf("type of v: %s, value: %v, string v: %s \n", reflect.TypeOf(s), s, string(s)) } } https...
Eckmann asked 2/3, 2018 at 2:54

2

Solved

I've discovered the following peculiarity: b := "a"[0] r := 'a' fmt.Println(b == r) // Does not compile, cannot compare byte and rune fmt.Println("a"[0] == 'a') // Compiles and prints "true" How...
Scampi asked 4/5, 2016 at 23:15

1

Solved

I have a string stored as a: a := `M\u00fcnchen` fmt.Println(a) // prints "M\u00fcnchen" b := "M\u00fcnchen" fmt.Println(b) // prints "München" Is there a way I can convert a into b ?
Burlesque asked 20/2, 2016 at 4:26

1

Solved

package main var lettersLower = []rune("abcdefghijklmnopqrstuvwxyz") var lettersUpper = []rune("ABCDEFGHIJKLMNOPQRSTUVWXYZ") func main() { x := append(lettersLower, lettersUpper) } Why does th...
Veronikaveronike asked 20/2, 2015 at 23:38

2

Solved

Assuming I have an int64 variable (or other integer size) representing a valid unicode code-point, and I want to convert it into a rune in Go, what do I do? In C I would have used a type cast some...
Saum asked 13/4, 2013 at 1:42
1

© 2022 - 2024 — McMap. All rights reserved.