22 lines
325 B
Go
22 lines
325 B
Go
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package main
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import (
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"fmt"
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"os"
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"strconv"
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)
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func main() {
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// lesson: floats encompass integers too
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if len(os.Args) != 3 {
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fmt.Println("Usage: calc <number1> <number2>")
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return
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}
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a, _ := strconv.ParseFloat(os.Args[1], 64)
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b, _ := strconv.ParseFloat(os.Args[2], 64)
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fmt.Printf("%v + %v = %v\n", a, b, a+b)
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}
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