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Update the comment on lower_expr_try

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I'd updated the ones inside the method, but not its doc comment.
This commit is contained in:
Scott McMurray 2021-07-09 00:13:44 -07:00
parent aa65b08b1d
commit 099a357e5c
1 changed files with 8 additions and 7 deletions
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11
compiler/rustc_ast_lowering/src/expr.rs
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@ -1559,13 +1559,14 @@ impl<'hir> LoweringContext<'_, 'hir> {
/// Desugar `ExprKind::Try` from: `<expr>?` into: /// Desugar `ExprKind::Try` from: `<expr>?` into:
/// ```rust /// ```rust
/// match Try::into_result(<expr>) { /// match Try::branch(<expr>) {
/// Ok(val) => #[allow(unreachable_code)] val, /// ControlFlow::Continue(val) => #[allow(unreachable_code)] val,,
/// Err(err) => #[allow(unreachable_code)] /// ControlFlow::Break(residual) =>
/// #[allow(unreachable_code)]
/// // If there is an enclosing `try {...}`: /// // If there is an enclosing `try {...}`:
/// break 'catch_target Try::from_error(From::from(err)), /// break 'catch_target Try::from_residual(residual),
/// // Otherwise: /// // Otherwise:
/// return Try::from_error(From::from(err)), /// return Try::from_residual(residual),
/// } /// }
/// ``` /// ```
fn lower_expr_try(&mut self, span: Span, sub_expr: &Expr) -> hir::ExprKind<'hir> { fn lower_expr_try(&mut self, span: Span, sub_expr: &Expr) -> hir::ExprKind<'hir> {