sema-docs 1.21.2

Canonical structured documentation for Sema builtins/special forms; powers LSP hover/completion and REPL apropos
Documentation 
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---
name: "vector?"
module: "predicates"
section: "Collection Predicates"
---

Test if a value is a vector.

```sema
(vector? [1])   ; => #t
(vector? '(1))  ; => #f
```