functional.go

// functional is a small FP-like library with no dependencies (yet!)
// open-sourcing bits and pieces here on gist :)
package bitbucket.com/jjanarek/x/functional


// Reduce reduces a slice of ints, uints or runes to a single element
// making the pythonic lambda sadly implicit and opinionated
func Reduce(elements []interface{}) interface{} {
    switch elements.(type) {
        case int:
            var result int
            for _, num := range elements {
                result += num
            }
            return result
        case uint:
            var result uint
            for _, num := range elements {
                result += num
            }
            return result
        case rune:
            var result string
            for _, char := range elements {
                result += char
            }
            return result
    }