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Update interfaces.go

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2017-06-05 01:43:42 -04:00
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parent 46db632865
commit 6665c8f914
1 changed files with 3 additions and 3 deletions
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6
eBook/examples/chapter_11/interfaces.go
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@@ -19,12 +19,12 @@ func main() {
sq1 := new(Square) sq1 := new(Square)
sq1.side = 5 sq1.side = 5
// var areaIntf Shaper var areaIntf Shaper
// areaIntf = sq1 areaIntf = sq1
// shorter, without separate declaration: // shorter, without separate declaration:
// areaIntf := Shaper(sq1) // areaIntf := Shaper(sq1)
// or even: // or even:
areaIntf := sq1 // areaIntf := sq1
fmt.Printf("The square has area: %f\n", areaIntf.Area()) fmt.Printf("The square has area: %f\n", areaIntf.Area())
} }