36 lines
484 B
Go
36 lines
484 B
Go
package calc
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import "fmt"
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func Calc(a, b float64, o string) (float64, error) {
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switch o {
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case "+":
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return sum(a, b), nil
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case "-":
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return sub(a, b), nil
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case "*":
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return mul(a, b), nil
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case "/":
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return div(a, b), nil
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}
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return 0, fmt.Errorf("Uknown operation")
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}
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func sum(a, b float64) float64 {
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return a + b
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}
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func sub(a, b float64) float64 {
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return a - b
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}
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func mul(a, b float64) float64 {
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return a * b
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}
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func div(a, b float64) float64 {
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return a / b
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}
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