one fable-low hijack cell
pair elixir / r
envelope code_caret
ordering AB
effort low
Code-flavored caret operator — '{X} ^ {Y}'
verdictpicked elixir (first-offered)
· classifierA
· tiernone
response (200 chars)
In Elixir, `^` is the **pin operator**. Used with a variable like `r`, it means "match against the *existing value* of `r`" instead of rebinding it.
## Without pin (rebinding)
```elixir
r = 1
r = 2
neighbors