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update book code

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Unknwon
2015-03-03 12:25:25 -05:00
parent b8c82ba4e5
commit eab1d98ba8
465 changed files with 15392 additions and 1572 deletions
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33
eBook/examples/chapter_8/make_maps.go
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@@ -1,21 +1,28 @@
package main
import "fmt"
func main() {
var mapLit map[string]int
//var mapCreated map[string]float32
var mapAssigned map[string]int
var mapLit map[string]int
//var mapCreated map[string]float32
var mapAssigned map[string]int
mapLit = map[string]int{"one": 1, "two": 2}
mapCreated := make(map[string]float32)
mapAssigned = mapLit
mapLit = map[string]int{"one": 1, "two": 2}
mapCreated := make(map[string]float32)
mapAssigned = mapLit
mapCreated["key1"] = 4.5
mapCreated["key2"] = 3.14159
mapAssigned["two"] = 3
mapCreated["key1"] = 4.5
mapCreated["key2"] = 3.14159
mapAssigned["two"] = 3
fmt.Printf("Map literal at \"one\" is: %d\n", mapLit["one"])
fmt.Printf("Map created at \"key2\" is: %f\n", mapCreated["key2"])
fmt.Printf("Map assigned at \"two\" is: %d\n", mapLit["two"])
fmt.Printf("Map literal at \"ten\" is: %d\n", mapLit["ten"])
fmt.Printf("Map literal at \"one\" is: %d\n", mapLit["one"])
fmt.Printf("Map created at \"key2\" is: %f\n", mapCreated["key2"])
fmt.Printf("Map assigned at \"two\" is: %d\n", mapLit["two"])
fmt.Printf("Map literal at \"ten\" is: %d\n", mapLit["ten"])
}
/* Output:
Map literal at "one" is: 1
Map created at "key2" is: 3.141590
Map assigned at "two" is: 3
Map literal at "ten" is: 0
*/