fn_registry/cpp/functions/core/select.md

name, kind, lang, domain, version, purity, signature, description, tags, uses_functions, uses_types, returns, returns_optional, error_type, imports, tested, tests, test_file_path, file_path, framework, params, output

name	kind	lang	domain	version	purity	signature	description	tags	uses_functions	uses_types	returns	returns_optional	error_type	imports	tested	tests	test_file_path	file_path	framework	params	output
select	component	cpp	core	1.0.0	impure	bool fn_ui::select(const char* label, int* selected_idx, const char* const* options, int count, bool allow_none = false)	Select/dropdown ImGui con label muted, estilo surface+border y opcion '(none)' opcional	imgui select dropdown form ui tokens	tokens_cpp_core			false		imgui	true	compiles and links against Catch2 (placeholder, visual cubierto en 0048)	cpp/tests/test_select.cpp	cpp/functions/core/select.cpp	imgui	name desc label Label mostrado arriba, tambien usado como id (prefijado con ##) name desc selected_idx Puntero a int con el indice seleccionado. -1 = ninguno (solo si allow_none) name desc options Array de C-strings con las opciones visibles name desc count Numero de opciones name desc allow_none Si true, aparece '(none)' como opcion inicial con indice -1	true el frame en que la seleccion cambio

select

Label muted + combo estilizado con tokens. Apto para campos de formulario (lang, domain, project parent).

Ejemplo

static int lang_idx = 0;
const char* langs[] = {"go", "py", "ts", "sh", "cpp"};
fn_ui::select("Language", &lang_idx, langs, 5);

// Con opcion "ninguno"
static int project_idx = -1;
fn_ui::select("Project", &project_idx, project_names.data(),
              (int)project_names.size(), true);