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Tshepang Lekhonkhobe 2019-12-04 01:37:34 +02:00 committed by Who? Me?!
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10
src/closure.md
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@ -160,10 +160,10 @@ The other option is to step through the code using lldb or gdb.
2. `r` // Run the program until it hits the breakpoint
Let's start with [`upvar.rs`][upvar]. This file has something called
the [`euv::ExprUseVisitor`][euv] which walks the source of the closure and
the [`euv::ExprUseVisitor`] which walks the source of the closure and
invokes a callbackfor each upvar that is borrowed, mutated, or moved.
[euv]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/middle/expr_use_visitor/struct.ExprUseVisitor.html
[`euv::ExprUseVisitor`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_typeck/expr_use_visitor/struct.ExprUseVisitor.html
```rust
fn main() {
@ -178,7 +178,7 @@ fn main() {
In the above example, our visitor will be called twice, for the lines marked 1 and 2, once for a
shared borrow and another one for a mutable borrow. It will also tell us what was borrowed.
The callbacks are defined by implementing the [`Delegate`][delegate] trait. The
The callbacks are defined by implementing the [`Delegate`] trait. The
[`InferBorrowKind`][ibk] type implements `Delegate` and keeps a map that
records for each upvar which mode of borrow was required. The modes of borrow
can be `ByValue` (moved) or `ByRef` (borrowed). For `ByRef` borrows, it can be
@ -208,6 +208,6 @@ self.tables
.extend(delegate.adjust_upvar_captures);
```
[delegate]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/middle/expr_use_visitor/trait.Delegate.html
[`Delegate`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_typeck/expr_use_visitor/trait.Delegate.html
[ibk]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_typeck/check/upvar/struct.InferBorrowKind.html
[cmt]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/middle/mem_categorization/index.html
[cmt]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_typeck/mem_categorization/index.html