// charoccurrence.go // description: An algorithm which counts the number // of times a character occurred in a string. // author(s) [Moein](https://github.com/mo1ein) // see charoccurrence_test.go package strings // CountChars counts the number of a times a character // has occurred in the provided string argument and // returns a map with `rune` as keys and the count as value. func CountChars(text string) map[rune]int { charMap := make(map[rune]int, 0) for _, c := range text { if _, ok := charMap[c]; !ok { charMap[c] = 0 } charMap[c]++ } return charMap }