markused: add array method map and filter support (fix #26233) (#26238)

Author: kbkpbot

vlib/v/markused/walker.v

@@ -1703,6 +1703,11 @@ pub fn (mut w Walker) finalize(include_panic_deps bool) {
 		charptr_idx_str := ast.charptr_type_idx.str()
 		w.fn_by_name(charptr_idx_str + '.vstring_literal')
 	}
+	if w.used_arr_method['map'] || w.used_arr_method['filter'] {
+		ref_array_idx_str := int(ast.array_type.ref()).str()
+		w.fn_by_name(ref_array_idx_str + '.push')
+		w.fn_by_name(ref_array_idx_str + '.push_noscan')
+	}
 	// remove unused symbols
 	w.remove_unused_fn_generic_types()
 

vlib/v/tests/skip_unused/array_map_filter.run.out

@@ -0,0 +1 @@
+done

vlib/v/tests/skip_unused/array_map_filter.vv

@@ -0,0 +1,9 @@
+fn main() {
+	[u8(5)].map(fn (e u8) u8 {
+		return e
+	})
+	[u8(5)].filter(fn (e u8) bool {
+		return true
+	})
+	println('done')
+}