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use if let Some(x) = .. instead of ...map(|x|) to conditionally run fns that return () (clippy::option_map_unit_fn)

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This commit is contained in:
Matthias Krüger 2020-12-11 18:19:51 +01:00
parent b7795e135a
commit 5833f74a9c
2 changed files with 23 additions and 23 deletions
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5
compiler/rustc_mir_build/src/build/scope.rs
View File

@ -616,8 +616,9 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
debug!("stmt_expr Break val block_context.push(SubExpr)");
self.block_context.push(BlockFrame::SubExpr);
unpack!(block = self.into(destination, dest_scope, block, value));
dest_scope
.map(|scope| self.unschedule_drop(scope, destination.as_local().unwrap()));
if let Some(scope) = dest_scope {
self.unschedule_drop(scope, destination.as_local().unwrap())
};
self.block_context.pop();
} else {
self.cfg.push_assign_unit(block, source_info, destination, self.hir.tcx())

41
compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
View File

@ -1448,31 +1448,30 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> {
});
};
typeck_results
if let Some(cause) = typeck_results
.generator_interior_types
.iter()
.find(|ty::GeneratorInteriorTypeCause { ty, .. }| ty_matches(ty))
.map(|cause| {
// Check to see if any awaited expressions have the target type.
let from_awaited_ty = visitor
.awaits
.into_iter()
.map(|id| hir.expect_expr(id))
.find(|await_expr| {
let ty = typeck_results.expr_ty_adjusted(&await_expr);
debug!(
"maybe_note_obligation_cause_for_async_await: await_expr={:?}",
await_expr
);
ty_matches(ty)
})
.map(|expr| expr.span);
let ty::GeneratorInteriorTypeCause { span, scope_span, yield_span, expr, .. } =
cause;
{
// Check to see if any awaited expressions have the target type.
let from_awaited_ty = visitor
.awaits
.into_iter()
.map(|id| hir.expect_expr(id))
.find(|await_expr| {
let ty = typeck_results.expr_ty_adjusted(&await_expr);
debug!(
"maybe_note_obligation_cause_for_async_await: await_expr={:?}",
await_expr
);
ty_matches(ty)
})
.map(|expr| expr.span);
let ty::GeneratorInteriorTypeCause { span, scope_span, yield_span, expr, .. } = cause;
interior_or_upvar_span = Some(GeneratorInteriorOrUpvar::Interior(*span));
interior_extra_info = Some((*scope_span, *yield_span, *expr, from_awaited_ty));
});
interior_or_upvar_span = Some(GeneratorInteriorOrUpvar::Interior(*span));
interior_extra_info = Some((*scope_span, *yield_span, *expr, from_awaited_ty));
};
debug!(
"maybe_note_obligation_cause_for_async_await: interior_or_upvar={:?} \