sema-docs 1.20.4

Canonical structured documentation for Sema builtins/special forms; powers LSP hover/completion and REPL apropos
Documentation
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---
name: "bytevector/ref"
module: "bytevectors"
section: "Access & Mutation"
---

Return the byte at a given index.

```sema
(bytevector/ref #u8(10 20 30) 1)   ; => 20
(bytevector/ref #u8(10 20 30) 0)   ; => 10
```