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#[must_use] for fns returning a list of errors

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This commit is contained in:
lcnr 2023-04-12 10:31:41 +02:00
parent a19adefa0e
commit cc82ccb145
4 changed files with 8 additions and 1 deletions
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2
compiler/rustc_trait_selection/src/traits/engine.rs
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@ -175,10 +175,12 @@ impl<'a, 'tcx> ObligationCtxt<'a, 'tcx> {
.map(|infer_ok| self.register_infer_ok_obligations(infer_ok))
}
#[must_use]
pub fn select_where_possible(&self) -> Vec<FulfillmentError<'tcx>> {
self.engine.borrow_mut().select_where_possible(self.infcx)
}
#[must_use]
pub fn select_all_or_error(&self) -> Vec<FulfillmentError<'tcx>> {
self.engine.borrow_mut().select_all_or_error(self.infcx)
}