Question

How to check if a specific element is present in a slice of bytes in Go

Answer 1

package main

import (
	"fmt"
	"bytes"
)

func main() {
	fmt.Println(bytes.Contains([]byte("Go lang"), []byte("Go"))) 
	fmt.Println(bytes.Contains([]byte("Go lang"), []byte("abc"))) 
}




/*
run:

true
false

*/

 

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Answer 2

package main

import (
	"fmt"
	"bytes"
)

func main() {
	slice := []byte{'G', 'o', 'l' , 'a', 'n', 'g'} 
	
	fmt.Println(bytes.Contains(slice, []byte{'z'}))
	fmt.Println(bytes.Contains(slice, []byte{'A'}))
	fmt.Println(bytes.Contains(slice, []byte{'a'}))
}




/*
run:

false
false
true

*/

 

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