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: "string/replace-first"
module: "strings"
section: "Replacement"
---

Replace only the first occurrence of a substring.

```sema
(string/replace-first "aaa" "a" "b")  ; => "baa"
```