src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/break_outside_of_loop.rs

   1 use crate::{Diagnostic, DiagnosticsContext};
   2
   3 // Diagnostic: break-outside-of-loop
   4 //
   5 // This diagnostic is triggered if the `break` keyword is used outside of a loop.
   6 pub(crate) fn break_outside_of_loop(
   7     ctx: &DiagnosticsContext<'_>,
   8     d: &hir::BreakOutsideOfLoop,
   9 ) -> Diagnostic {
  10     Diagnostic::new(
  11         "break-outside-of-loop",
  12         "break outside of loop",
  13         ctx.sema.diagnostics_display_range(d.expr.clone().map(|it| it.into())).range,
  14     )
  15 }
  16
  17 #[cfg(test)]
  18 mod tests {
  19     use crate::tests::check_diagnostics;
  20
  21     #[test]
  22     fn break_outside_of_loop() {
  23         check_diagnostics(
  24             r#"
  25 fn foo() { break; }
  26          //^^^^^ error: break outside of loop
  27 "#,
  28         );
  29     }
  30 }