diff options
| -rw-r--r-- | compiler/rustc_hir_pretty/src/lib.rs | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/compiler/rustc_hir_pretty/src/lib.rs b/compiler/rustc_hir_pretty/src/lib.rs index 5820e7a2612..77d083fc5e9 100644 --- a/compiler/rustc_hir_pretty/src/lib.rs +++ b/compiler/rustc_hir_pretty/src/lib.rs @@ -1095,8 +1095,8 @@ impl<'a> State<'a> { fn print_else(&mut self, els: Option<&hir::Expr<'_>>) { match els { - Some(_else) => { - match _else.kind { + Some(else_) => { + match else_.kind { // "another else-if" hir::ExprKind::If(ref i, ref then, ref e) => { self.cbox(INDENT_UNIT - 1); @@ -1114,6 +1114,26 @@ impl<'a> State<'a> { self.s.word(" else "); self.print_block(&b) } + hir::ExprKind::Match(ref expr, arms, _) => { + // else if let desugared to match + assert!(arms.len() == 2, "if let desugars to match with two arms"); + + self.s.word(" else "); + self.s.word("{"); + + self.cbox(INDENT_UNIT); + self.ibox(INDENT_UNIT); + self.word_nbsp("match"); + self.print_expr_as_cond(&expr); + self.s.space(); + self.bopen(); + for arm in arms { + self.print_arm(arm); + } + self.bclose(expr.span); + + self.s.word("}"); + } // BLEAH, constraints would be great here _ => { panic!("print_if saw if with weird alternative"); |