Skip to content

Instantly share code, notes, and snippets.

@178inaba

178inaba/list.go

Last active August 26, 2015 08:18
Show Gist options
  • Save 178inaba/0b96145fcf27168a909b to your computer and use it in GitHub Desktop.
Save 178inaba/0b96145fcf27168a909b to your computer and use it in GitHub Desktop.
Download ZIP
get value from list. key increment and save. with go.
Raw
list.go
package main
import "fmt"
var gKey = 0
func main() {
for i := 0; i < 100; i++ {
fmt.Println("--------------------")
fmt.Println("i:", i)
fmt.Println("gKey:", gKey)
fmt.Println("getVal():", getVal())
}
fmt.Println("--------------------")
}
func getVal() string {
// get list
list := []string{"h", "e", "l", "l", "o", ",", "w", "o", "r", "l", "d", "!"}
// get key(use now)
key := gKey
// get value
v := list[key]
if key < len(list)-1 {
// key increment
key++
} else {
key = 0
}
// key save
gKey = key
return v
}
Raw
result
$ go run list.go
--------------------
i: 0
gKey: 0
getVal(): h
--------------------
i: 1
gKey: 1
getVal(): e
--------------------
i: 2
gKey: 2
getVal(): l
--------------------
i: 3
gKey: 3
getVal(): l
--------------------
i: 4
gKey: 4
getVal(): o
--------------------
i: 5
gKey: 5
getVal(): ,
--------------------
i: 6
gKey: 6
getVal(): w
--------------------
i: 7
gKey: 7
getVal(): o
--------------------
i: 8
gKey: 8
getVal(): r
--------------------
i: 9
gKey: 9
getVal(): l
--------------------
i: 10
gKey: 10
getVal(): d
--------------------
i: 11
gKey: 11
getVal(): !
--------------------
i: 12
gKey: 0
getVal(): h
--------------------
i: 13
gKey: 1
getVal(): e
--------------------
i: 14
gKey: 2
getVal(): l
--------------------
i: 15
gKey: 3
getVal(): l
--------------------
i: 16
gKey: 4
getVal(): o
--------------------
i: 17
gKey: 5
getVal(): ,
--------------------
i: 18
gKey: 6
getVal(): w
--------------------
i: 19
gKey: 7
getVal(): o
--------------------
i: 20
gKey: 8
getVal(): r
--------------------
i: 21
gKey: 9
getVal(): l
--------------------
i: 22
gKey: 10
getVal(): d
--------------------
i: 23
gKey: 11
getVal(): !
--------------------
i: 24
gKey: 0
getVal(): h
--------------------
i: 25
gKey: 1
getVal(): e
--------------------
i: 26
gKey: 2
getVal(): l
--------------------
i: 27
gKey: 3
getVal(): l
--------------------
i: 28
gKey: 4
getVal(): o
--------------------
i: 29
gKey: 5
getVal(): ,
--------------------
i: 30
gKey: 6
getVal(): w
--------------------
i: 31
gKey: 7
getVal(): o
--------------------
i: 32
gKey: 8
getVal(): r
--------------------
i: 33
gKey: 9
getVal(): l
--------------------
i: 34
gKey: 10
getVal(): d
--------------------
i: 35
gKey: 11
getVal(): !
--------------------
i: 36
gKey: 0
getVal(): h
--------------------
i: 37
gKey: 1
getVal(): e
--------------------
i: 38
gKey: 2
getVal(): l
--------------------
i: 39
gKey: 3
getVal(): l
--------------------
i: 40
gKey: 4
getVal(): o
--------------------
i: 41
gKey: 5
getVal(): ,
--------------------
i: 42
gKey: 6
getVal(): w
--------------------
i: 43
gKey: 7
getVal(): o
--------------------
i: 44
gKey: 8
getVal(): r
--------------------
i: 45
gKey: 9
getVal(): l
--------------------
i: 46
gKey: 10
getVal(): d
--------------------
i: 47
gKey: 11
getVal(): !
--------------------
i: 48
gKey: 0
getVal(): h
--------------------
i: 49
gKey: 1
getVal(): e
--------------------
i: 50
gKey: 2
getVal(): l
--------------------
i: 51
gKey: 3
getVal(): l
--------------------
i: 52
gKey: 4
getVal(): o
--------------------
i: 53
gKey: 5
getVal(): ,
--------------------
i: 54
gKey: 6
getVal(): w
--------------------
i: 55
gKey: 7
getVal(): o
--------------------
i: 56
gKey: 8
getVal(): r
--------------------
i: 57
gKey: 9
getVal(): l
--------------------
i: 58
gKey: 10
getVal(): d
--------------------
i: 59
gKey: 11
getVal(): !
--------------------
i: 60
gKey: 0
getVal(): h
--------------------
i: 61
gKey: 1
getVal(): e
--------------------
i: 62
gKey: 2
getVal(): l
--------------------
i: 63
gKey: 3
getVal(): l
--------------------
i: 64
gKey: 4
getVal(): o
--------------------
i: 65
gKey: 5
getVal(): ,
--------------------
i: 66
gKey: 6
getVal(): w
--------------------
i: 67
gKey: 7
getVal(): o
--------------------
i: 68
gKey: 8
getVal(): r
--------------------
i: 69
gKey: 9
getVal(): l
--------------------
i: 70
gKey: 10
getVal(): d
--------------------
i: 71
gKey: 11
getVal(): !
--------------------
i: 72
gKey: 0
getVal(): h
--------------------
i: 73
gKey: 1
getVal(): e
--------------------
i: 74
gKey: 2
getVal(): l
--------------------
i: 75
gKey: 3
getVal(): l
--------------------
i: 76
gKey: 4
getVal(): o
--------------------
i: 77
gKey: 5
getVal(): ,
--------------------
i: 78
gKey: 6
getVal(): w
--------------------
i: 79
gKey: 7
getVal(): o
--------------------
i: 80
gKey: 8
getVal(): r
--------------------
i: 81
gKey: 9
getVal(): l
--------------------
i: 82
gKey: 10
getVal(): d
--------------------
i: 83
gKey: 11
getVal(): !
--------------------
i: 84
gKey: 0
getVal(): h
--------------------
i: 85
gKey: 1
getVal(): e
--------------------
i: 86
gKey: 2
getVal(): l
--------------------
i: 87
gKey: 3
getVal(): l
--------------------
i: 88
gKey: 4
getVal(): o
--------------------
i: 89
gKey: 5
getVal(): ,
--------------------
i: 90
gKey: 6
getVal(): w
--------------------
i: 91
gKey: 7
getVal(): o
--------------------
i: 92
gKey: 8
getVal(): r
--------------------
i: 93
gKey: 9
getVal(): l
--------------------
i: 94
gKey: 10
getVal(): d
--------------------
i: 95
gKey: 11
getVal(): !
--------------------
i: 96
gKey: 0
getVal(): h
--------------------
i: 97
gKey: 1
getVal(): e
--------------------
i: 98
gKey: 2
getVal(): l
--------------------
i: 99
gKey: 3
getVal(): l
--------------------
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment