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exercises: fix #72

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Unknwon
2015-02-14 16:09:53 -05:00
parent c01f18f8e4
commit 4e77df3558
1 changed files with 30 additions and 31 deletions
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7
eBook/exercises/chapter_6/error_returnval.go
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@@ -1,12 +1,11 @@
package main package main
import ( import (
"fmt"
"errors" "errors"
"fmt"
"math" "math"
) )
func MySqrt1(a float64) (Sqrt float64, Err error) { func MySqrt1(a float64) (Sqrt float64, Err error) {
if a < 0 { if a < 0 {
Err = errors.New("Fuck!") Err = errors.New("Fuck!")
@@ -34,8 +33,8 @@ func main() {
var b float64 = -99.99 var b float64 = -99.99
Sqrt11, Err11 := MySqrt1(a) Sqrt11, Err11 := MySqrt1(a)
Sqrt12, Err12 := MySqrt1(b) Sqrt12, Err12 := MySqrt1(b)
Sqrt21, Err21 := MySqrt1(a) Sqrt21, Err21 := MySqrt2(a)
Sqrt22, Err22 := MySqrt1(b) Sqrt22, Err22 := MySqrt2(b)
fmt.Println(Sqrt11, Err11) fmt.Println(Sqrt11, Err11)
fmt.Println(Sqrt12, Err12) fmt.Println(Sqrt12, Err12)