gomathexecutor/README.md

GoMathExecutor [![GoDoc][doc-img]][doc] [![Build Status][ci-img]][ci] [![Coverage Status][cov-img]][cov]

Package GoMathExecutor provides simple expression executor.

Installation

go get github.com/neonxp/GoMathExecutor

Usage

calc := executor.NewCalc()
calc.AddOperators(executor.MathOperators) // Loads default MathOperators (see: defaults.go)
calc.Prepare("2+2*2") // Prepare expression
calc.Execute(nil) // == 6, nil
calc.Prepare("x * (y+z)") // Prepare another expression with variables
calc.Execute(map[string]float64{
	"x": 3,
	"y": 2,
	"z": 1,
}) // == 9, nil