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...
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
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...
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...
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...
2
Solved
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[...
5
Solved
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...
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...
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...
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.