diff options
| -rw-r--r-- | content/slices.article | 2 | ||||
| -rw-r--r-- | content/slices/prog140.go | 6 |
2 files changed, 4 insertions, 4 deletions
diff --git a/content/slices.article b/content/slices.article index eb974e8..de76408 100644 --- a/content/slices.article +++ b/content/slices.article @@ -443,7 +443,7 @@ allocated memory, and then to copy the appending items to the end of the old dat Try it; the behavior is the same as before: -.play -edit slices/prog130.go /START/,/END/ +.play -edit slices/prog140.go /START/,/END/ * Append: The built-in function diff --git a/content/slices/prog140.go b/content/slices/prog140.go index 306d6f2..ab04d97 100644 --- a/content/slices/prog140.go +++ b/content/slices/prog140.go @@ -11,7 +11,8 @@ import ( // Append appends the elements to the slice. // Efficient version. func Append(slice []int, elements ...int) []int { - total := len(slice) + len(items) + n := len(slice) + total := len(slice) + len(elements) if total > cap(slice) { // Reallocate. Grow to 1.5 times the new size, so we can still grow. newSize := total*3/2 + 1 @@ -19,9 +20,8 @@ func Append(slice []int, elements ...int) []int { copy(newSlice, slice) slice = newSlice } - n := len(slice) slice = slice[:total] - copy(slice[:n], elements) + copy(slice[n:], elements) return slice } |