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Clarify Expand and Extend

Jeremy Chase 2022-03-04 14:46:45 -05:00
parent bcffc396a0
commit 46d01ae2a1
1 changed files with 4 additions and 2 deletions
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6
SliceTricks.md

@ -67,13 +67,15 @@ a = a[:len(a)-1]
```
#### Expand
Insert `n` elements at position `i`:
```go
a = append(a[:i], append(make([]T, j), a[i:]...)...)
a = append(a[:i], append(make([]T, n), a[i:]...)...)
```
#### Extend
Append `n` elements:
```go
a = append(a, make([]T, j)...)
a = append(a, make([]T, n)...)
```
#### Filter (in place)