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41 lines
1.0 KiB
Go
41 lines
1.0 KiB
Go
1 year ago
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// Illustrates how slices capacity will increase as elements are added.
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package main
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import "fmt"
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func main() {
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var data = []int{1, 2, 3}
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fmt.Println(data, len(data), cap(data))
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data = append(data, 10)
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fmt.Println(data, len(data), cap(data))
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data = append(data, 20)
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fmt.Println(data, len(data), cap(data))
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data = append(data, 30)
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fmt.Println(data, len(data), cap(data))
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data = append(data, 40)
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fmt.Println(data, len(data), cap(data))
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//creates a slice of 3 ints using slice literal.
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// specifies the indices with values in the slice literal
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var x = []int{1, 5: 4, 6, 10: 100, 15}
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// [1 0 0 0 0 4 6 0 0 0 100 15]
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fmt.Println(x)
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// multi-dimensional slice "simulatation"
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var y [][]int
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fmt.Println(y)
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//reading and writing using bracket syntax
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y = append(y, []int{1, 2, 3})
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fmt.Println(y, len(y), cap(y))
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fmt.Println(y[0])
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// Forloop
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// we can us := inside of functions not in globals of module
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numbers := []int{1, 3, 5, 7, 9}
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for i := 0; i < len(numbers); i++ {
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fmt.Println(numbers[i])
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}
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}
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