Go language exercise: Switch basic usage

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1. Code

2. Operation

1. Code

1 Package Main2Import"FMT"3 4Func switch_1 (iint){5     SwitchI {6      Case 0 : 7Fmt. Println ("0--: i =", i); 8      Case 1:9Fmt. Println ("1--: i =", i); Ten      Case 2: OneFmt. Println ("2--: i =", i);  A Fallthrough -      Case 3: -Fmt. Println ("3--: i =", i);  the      Case 4,5,6: -Fmt. Println ("4, 5, 6--: i =", i);  -         default : -Fmt. Println ("Default--: i =", i);  +     }    - } +  AFunc switch_2 (iint){ at     Switch { -      Case 0<= I && i <=3 : -Fmt. Println ("0-3: i =", i) -      Case 4<= I && i <=6 : -Fmt. Println ("4-6: i =", i) -      Case 7<= I && i <=9 : inFmt. Println ("7-9: i =", i) -     } to } +  - Func Main () { the      forI: =0; I <=6; i++ { * switch_1 (i) $     }Panax NotoginsengFmt. Println ("------------------------------") -      forI: =0; I <=6; i++ { the switch_2 (i) +     } A}

2. Operation

$ go RunSwitch. Go0--: i =01--: i =12--: i =23--: i =23--: i =34,5,6--: i =44,5,6--: i =54,5,6--: i =6------------------------------0-3: i =00-3: i =10-3: i =20-3: i =34-6: i =44-6: i =54-6: i =6