diff options
| -rw-r--r-- | compiler/rustc_hir/src/hir.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index 107aea4e5a4..fa1d1ec0a86 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -2744,6 +2744,8 @@ pub enum ExprKind<'hir> { /// /// The "then" expr is always `ExprKind::Block`. If present, the "else" expr is always /// `ExprKind::Block` (for `else`) or `ExprKind::If` (for `else if`). + /// Note that using an `Expr` instead of a `Block` for the "then" part is intentional, + /// as it simplifies the type coercion machinery. If(&'hir Expr<'hir>, &'hir Expr<'hir>, Option<&'hir Expr<'hir>>), /// A conditionless loop (can be exited with `break`, `continue`, or `return`). /// |