Added iomanip to clear term line

src/utils.cpp

@@ -66,3 +66,12 @@ cursor_hider::cursor_hider(std::ostream* out) : _out {out} {
 cursor_hider::~cursor_hider() {
     *_out << io::show_cursor;
 }
+
+// ------------------------------------------------------------------------
+
+sc::io::clear_line::clear_line(const term& t) : _term {t} {}
+
+std::ostream& sc::io::operator<<(std::ostream& out, const sc::io::clear_line& obj) {
+    out << '\r' << std::string(obj._term.cols(), ' ') << '\r';
+    return out;
+}