From a1ba45b28c94244d2e1c6f00372d51d294cc3edc Mon Sep 17 00:00:00 2001
From: _ov4 <ov4@ov4.org>
Date: Tue, 20 Oct 2026 11:01:52 +0000
Subject: feat(library): add experimental string LCASE overloads

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 pseudocode-lib/_exp_string.cc | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'pseudocode-lib/_exp_string.cc')

diff --git a/pseudocode-lib/_exp_string.cc b/pseudocode-lib/_exp_string.cc
index d406274..6155319 100644
--- a/pseudocode-lib/_exp_string.cc
+++ b/pseudocode-lib/_exp_string.cc
@@ -1,4 +1,5 @@
 #include <algorithm>
+#include <cctype>
 #include <cstdio>
 #include <exception>
 #include <stdexcept>
@@ -88,6 +89,18 @@ void _exp_string_impl_mid(void *Target, void *Handle, long long Start, long long
         text(Target) = Source.substr(Position, Length);
     });
 }
+void _exp_string_impl_lcase(void *Target, void *Handle) {
+    checked([&] {
+        text(Target) = text(Handle);
+        for (char &Ch : text(Target))
+            Ch = static_cast<char>(std::tolower(static_cast<unsigned char>(Ch)));
+    });
+}
+char _exp_string_impl_lcase_char(char Ch) {
+    return checked([&] {
+        return static_cast<char>(std::tolower(static_cast<unsigned char>(Ch)));
+    });
+}
 void _exp_string_impl_output(void *Handle) {
     checked([&] {
         const auto &Text = text(Handle);
-- 
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