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| author | David Tolnay <dtolnay@gmail.com> | 2022-01-18 19:18:47 -0800 |
|---|---|---|
| committer | David Tolnay <dtolnay@gmail.com> | 2022-01-18 19:18:47 -0800 |
| commit | 947a09a4a88f97aa0ab59a5d21afd8ca3d429e60 (patch) | |
| tree | 57c38475b674aca61c0e3a171ffa12103dd7e6ac | |
| parent | 80139a0f02ef04dc759f47ad59ece2138117c41c (diff) | |
| download | rust-947a09a4a88f97aa0ab59a5d21afd8ca3d429e60.tar.gz | |
Replace `if` + `unwrap` with `if let` in check_stack
| -rw-r--r-- | compiler/rustc_ast_pretty/src/pp.rs | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/compiler/rustc_ast_pretty/src/pp.rs b/compiler/rustc_ast_pretty/src/pp.rs index 8d58eaa82a7..b2870ac2734 100644 --- a/compiler/rustc_ast_pretty/src/pp.rs +++ b/compiler/rustc_ast_pretty/src/pp.rs @@ -379,8 +379,7 @@ impl Printer { } fn check_stack(&mut self, k: usize) { - if !self.scan_stack.is_empty() { - let x = *self.scan_stack.front().unwrap(); + if let Some(&x) = self.scan_stack.front() { match self.buf[x].token { Token::Begin(_) => { if k > 0 { |