move_to ( 0 , cx ) ; } fn end ( & mut self , _ : & End , _ : & mut Window , cx : & mut Context < Self > ) { self .
len ( ) , cx ) ; } fn backspace ( & mut self , _ : & Backspace , window : & mut Window , cx : & mut Context < Self > ) { if self .
replace_text_in_range ( None , "" , window , cx ) } fn delete ( & mut self , _ : & Delete , window : & mut Window , cx : & mut Context < Self > ) { if self .
replace_text_in_range ( None , "" , window , cx ) } fn on_mouse_down ( & mut self , event : & MouseDownEvent , _window : & mut Window , cx : & mut Context < Self > , ) { self .
replace ( "" , " " ) , window , cx ) ; } } fn copy ( & mut self , _ : & Copy , _ : & mut Window , cx : & mut Context <…