ludic/docs/language/text/text-lower.md
Orkuncakilkaya b7745a4600 refactor(lang): rename the str type (and stringify builtin) to string
Expand the abbreviated string type and its conversion builtin to the full
word everywhere:
  str            ->  string        (the immutable-string type)
  str(x) -> str  ->  string(x) -> string   (the stringify builtin;
                                            what `{…}` interpolation calls)

Types are recognized by identifier, and llty maps both spellings to LLVM
`ptr`, so this is an atomic source rewrite: type annotations, the Ludic
type tags, the builtin name/dispatch, and the interpolation desugar, plus
the grammars, LSP, docs (type-str -> type-string, fn-str -> fn-string), and
inventory. int/bool stay (universally accepted, like Math).

Reseeded; C-free fixpoint holds; all suites green (45/24/29); site + check.py OK.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-08-30 01:51:11 +03:00

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Markdown

---
id: text-lower
name: Text.lower
category: text
kind: namespace-method
tokens: Text.lower
sig: Text.lower(s) -> string
tip: A lowercased copy of a string.
order: 12
ns: Text
member: lower
---
Returns a fresh string with every ASCII letter <code>A</code>-<code>Z</code> turned to lowercase; other bytes pass through unchanged. Pair it with <code>Text.equals</code> for case-insensitive matching by lowercasing both sides. Only ASCII is transformed.
```ludic
program Demo {
handler Step phase Update {
if Text.equals(Text.lower(cmd), "quit") { stop() }
}
}
```