Skip to content

Instantly share code, notes, and snippets.

@wesleymatosdev

wesleymatosdev/slice_len_and_cap.go

Created September 20, 2022 13:47
Show Gist options

  • Select an option

    Learn more about clone URLs
  • Save wesleymatosdev/72cdc866f66bfd5351afa4a403bdfd30 to your computer and use it in GitHub Desktop.

Select an option

Learn more about clone URLs
Save wesleymatosdev/72cdc866f66bfd5351afa4a403bdfd30 to your computer and use it in GitHub Desktop.
Download ZIP
Raw
slice_len_and_cap.go
package main
import "fmt"
func main() {
s := []int{2, 3, 5, 7, 11, 13}
printSlice(s)
// Slice the slice to give it zero length.
s = s[:0]
printSlice(s)
// Extend its length.
s = s[:4]
printSlice(s)
// Drop its first two values.
s = s[2:]
printSlice(s)
}
func printSlice(s []int) {
fmt.Printf("len=%d cap=%d %v\n", len(s), cap(s), s)
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment