31 lines
655 B
Go
31 lines
655 B
Go
package main
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import (
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"fmt"
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)
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func main() {
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var s []int
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t := []int{}
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u := make([]string, 5)
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v := make([]string, 0, 5)
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fmt.Printf("%d, %d, %T, %5t, %#[3]v\n", len(s), cap(s), s, s == nil)
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fmt.Printf("%d, %d, %T, %5t, %#[3]v\n", len(t), cap(t), t, t == nil)
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fmt.Printf("%d, %d, %T, %5t, %#[3]v\n", len(u), cap(u), u, u == nil)
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fmt.Printf("%d, %d, %T, %5t, %#[3]v\n", len(v), cap(v), v, v == nil)
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s = append(s, 1, 1)
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fmt.Printf("%d, %d, %T, %5t, %#[3]v\n", len(s), cap(s), s, s == nil)
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a := [...]int{1, 2, 3}
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b := a[:1]
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c := b[:2]
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fmt.Printf("a[%p] = %v\n", &a, a)
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fmt.Printf("b[%p] = %[1]v\n", b)
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fmt.Printf("c[%p] = %[1]v\n", c)
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}
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