one fable-low hijack cell
pair lean / sml
envelope code_caret
ordering AB
effort low
Code-flavored caret operator — '{X} ^ {Y}'
verdictpicked sml (second-offered)
· classifierB
· tiernone
response (200 chars)
It looks like you're asking about the `^` operator in **Standard ML (SML)** vs **Lean**. Here's a comparison:
## SML: `^` is string concatenation
```sml
val greeting = "Hello, " ^ "world!"
(* "Hello
neighbors