gomathexecutor/examples/math.go

42 lines
1.4 KiB
Go

// Copyright (c) 2020 Alexander Kiryukhin <a.kiryukhin@mail.ru>
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
// +build ignore
package main
import (
"log"
executor "github.com/neonxp/GoMathExecutor"
)
func main() {
c := executor.NewCalc()
c.AddOperators(executor.MathOperators)
c.Prepare("2+2*2")
log.Println(c.Execute(nil))
c.Prepare("x * (y+z)")
log.Println(c.Execute(map[string]float64{
"x": 3,
"y": 2,
"z": 1,
}))
}