SuperSimple := Rectangle { TouchArea { clicked => { root.x += 1px; } } TouchArea { clicked => { x += 1px; } } TouchArea { clicked => { 12 += 1; } // ^error{Self assignement need to be done on a property} } TouchArea { clicked => { x += "string"; } // ^error{Cannot convert string to length} } TouchArea { clicked => { doesnotexist += 24; } // ^error{Unknown unqualified identifier 'doesnotexist'} } }