Golang: call functions by name using reflection

call_func_by_name.go

// refer to: http://mikespook.com/2012/07/function-call-by-name-in-golang/
func foo() {
    // does something
}

func bar(int i1, int i2, int i3) {
    // does something else. 
}

func Call(m map[string]interface{}, name string, params ... interface{}) (result []reflect.Value, err error) {
    f = reflect.ValueOf(m[name])
    if len(params) != f.Type().NumIn() {
        err = errors.New("The number of params is not adapted.")
        return
    }
    in := make([]reflect.Value, len(params))
    for k, param := range params {
        in[k] = reflect.ValueOf(param)
    }
    result = f.Call(in)
    return
}
Call(funcs, "foo")
Call(funcs, "bar", 1, 2, 3)