nyamath

Nov 22, 2018

Changes in this version

+ func Calculate(x int64, operator string, y int64) (int64, error)

+ func CalculateU(unary string, x int64) (int64, error)

+ func IsUnary(operator string) bool

+ func Priority(operator string) int

+ func Valid(operator string) bool

+ type Expression struct

+ func New(s string) (Expression, error)

+ func (e Expression) Result() int64

Oct 9, 2018

Changes in this version

+ func IsNumber(r rune) bool

+ func Qpow(x, y int) int