32 lines
No EOL
819 B
Go
32 lines
No EOL
819 B
Go
package main
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import "fmt"
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func main(){
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//here we create an array a that will hold exactly 5 ints.
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// arrays are typed and statically lengthed
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// by default an array is zero-valued which for ints is just 0 in all positions
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var a [5]int
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fmt.Println("emp:",a)
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//we can set a value at an index using the arrray[index] = value syntax
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//and get the value @ an index with the array[index] syntax
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//the builtin len returns the length of an array.
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a[4] = 100
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fmt.Println("set:", a)
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fmt.Println("get:", a[4])
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fmt.Println("len:", len(a))
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//the following can be used to declare and initalize the valaues
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// of an array on a single line
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b := [5]int{1,2,3,4,5}
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fmt.Println("dcl:", b)
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var twoD [2][3]int
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for i := 0; i < 2; i++ {
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for j := 0; j < 3; j++ {
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twoD[i][j] = i+j
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}
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}
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fmt.Println("2d: ", twoD)
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} |