diff options
Diffstat (limited to 'compiler/rustc_middle/src/mir/visit.rs')
| -rw-r--r-- | compiler/rustc_middle/src/mir/visit.rs | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/compiler/rustc_middle/src/mir/visit.rs b/compiler/rustc_middle/src/mir/visit.rs index b21f50ae5..1a264d2d5 100644 --- a/compiler/rustc_middle/src/mir/visit.rs +++ b/compiler/rustc_middle/src/mir/visit.rs @@ -3,15 +3,15 @@ //! ## Overview //! //! There are two visitors, one for immutable and one for mutable references, -//! but both are generated by the following macro. The code is written according -//! to the following conventions: +//! but both are generated by the `make_mir_visitor` macro. +//! The code is written according to the following conventions: //! //! - introduce a `visit_foo` and a `super_foo` method for every MIR type //! - `visit_foo`, by default, calls `super_foo` //! - `super_foo`, by default, destructures the `foo` and calls `visit_foo` //! -//! This allows you as a user to override `visit_foo` for types are -//! interested in, and invoke (within that method) call +//! This allows you to override `visit_foo` for types you are +//! interested in, and invoke (within that method call) //! `self.super_foo` to get the default behavior. Just as in an OO //! language, you should never call `super` methods ordinarily except //! in that circumstance. @@ -477,11 +477,9 @@ macro_rules! make_mir_visitor { TerminatorKind::SwitchInt { discr, - switch_ty, targets: _ } => { self.visit_operand(discr, location); - self.visit_ty($(& $mutability)? *switch_ty, TyContext::Location(location)); } TerminatorKind::Drop { |