⬥ ID3 encoding/decoding library in Go ⬥
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28 lines
546 B

package util
import (
"bytes"
"encoding/binary"
)
// Returns found key (int) in provided map by value (string);
// If key does not exist in map - returns -1
func GetKey(mp map[int]string, givenValue string) int {
for key, value := range mp {
if value == givenValue {
return key
}
}
return -1
}
// Decodes given integer bytes into integer
func BytesToInt(gBytes []byte) (int64, error) {
buff := bytes.NewBuffer(gBytes)
integer, err := binary.ReadVarint(buff)
if err != nil {
return 0, err
}
buff = nil
return integer, nil
}