bjoernager/rust
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Actually implement the feature in the compiler

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Including all the bootstrapping tweaks in the library.
This commit is contained in:
Scott McMurray 2021-04-15 00:33:55 -07:00
parent c10eec3a1c
commit ca92b5a23a
10 changed files with 144 additions and 51 deletions
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11
compiler/rustc_hir/src/lang_items.rs
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@ -308,12 +308,12 @@ language_item_table! {
Termination, sym::termination, termination, Target::Trait;
Try, kw::Try, try_trait, Target::Trait;
Try, sym::Try, try_trait, Target::Trait;
// Language items from AST lowering
TryFromError, sym::from_error, from_error_fn, Target::Method(MethodKind::Trait { body: false });
TryFromOk, sym::from_ok, from_ok_fn, Target::Method(MethodKind::Trait { body: false });
TryIntoResult, sym::into_result, into_result_fn, Target::Method(MethodKind::Trait { body: false });
TryTraitFromResidual, sym::from_residual, from_residual_fn, Target::Method(MethodKind::Trait { body: false });
TryTraitFromOutput, sym::from_output, from_output_fn, Target::Method(MethodKind::Trait { body: false });
TryTraitBranch, sym::branch, branch_fn, Target::Method(MethodKind::Trait { body: false });
PollReady, sym::Ready, poll_ready_variant, Target::Variant;
PollPending, sym::Pending, poll_pending_variant, Target::Variant;
@ -331,6 +331,9 @@ language_item_table! {
ResultOk, sym::Ok, result_ok_variant, Target::Variant;
ResultErr, sym::Err, result_err_variant, Target::Variant;
ControlFlowContinue, sym::Continue, cf_continue_variant, Target::Variant;
ControlFlowBreak, sym::Break, cf_break_variant, Target::Variant;
IntoIterIntoIter, sym::into_iter, into_iter_fn, Target::Method(MethodKind::Trait { body: false });
IteratorNext, sym::next, next_fn, Target::Method(MethodKind::Trait { body: false});