tests/ui/methods/method-missing-call.rs

   1 // Tests to make sure that parens are needed for method calls without arguments.
   2 // outputs text to make sure either an anonymous function is provided or
   3 // open-close '()' parens are given
   4
   5
   6 struct Point {
   7     x: isize,
   8     y: isize
   9 }
  10 impl Point {
  11     fn new() -> Point {
  12         Point{x:0, y:0}
  13     }
  14     fn get_x(&self) -> isize {
  15         self.x
  16     }
  17 }
  18
  19 fn main() {
  20     let point: Point = Point::new();
  21     let px: isize =  point
  22                         .get_x;//~ ERROR attempted to take value of method `get_x` on type `Point`
  23
  24     // Ensure the span is useful
  25     let ys = &[1,2,3,4,5,6,7];
  26     let a = ys.iter()
  27               .map(|x| x)
  28               .filter(|&&x| x == 1)
  29               .filter_map; //~ ERROR attempted to take value of method `filter_map` on type
  30 }