src/test/ui/suggestions/ignore-nested-field-binding.rs

   1 // Regression test for #88403, where prefixing with an underscore was
   2 // erroneously suggested for a nested shorthand struct field binding.
   3
   4 // run-rustfix
   5 #![allow(unused)]
   6 #![forbid(unused_variables)]
   7
   8 struct Inner { i: i32 }
   9 struct Outer { o: Inner }
  10
  11 fn foo(Outer { o: Inner { i } }: Outer) {}
  12 //~^ ERROR: unused variable: `i`
  13 //~| HELP: try ignoring the field
  14
  15 fn main() {
  16     let s = Outer { o: Inner { i: 42 } };
  17     let Outer { o: Inner { i } } = s;
  18     //~^ ERROR: unused variable: `i`
  19     //~| HELP: try ignoring the field
  20 }