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authorljedrz <ljedrz@gmail.com>2018-10-12 16:16:00 +0200
committerljedrz <ljedrz@gmail.com>2018-10-19 09:45:45 +0200
commitd28aed6dc45ffccc790469cb04f3f775ddb2283a (patch)
treec1a3c356ba1ffc8173746e03f0f630ae4032624f /src/libsyntax/tokenstream.rs
parentcb5e1b93e300cf9772a24c6de27d9f21cdae3123 (diff)
downloadrust-d28aed6dc45ffccc790469cb04f3f775ddb2283a.tar.gz
rust-d28aed6dc45ffccc790469cb04f3f775ddb2283a.zip
Prefer unwrap_or_else to unwrap_or in case of function calls/allocations
Diffstat (limited to 'src/libsyntax/tokenstream.rs')
-rw-r--r--src/libsyntax/tokenstream.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax/tokenstream.rs b/src/libsyntax/tokenstream.rs
index 70867f9e42f..29bd63d28c5 100644
--- a/src/libsyntax/tokenstream.rs
+++ b/src/libsyntax/tokenstream.rs
@@ -606,7 +606,7 @@ impl Cursor {
             CursorKind::JointTree(ref tree, _) => tree.clone().joint(),
             CursorKind::Stream(ref cursor) => TokenStream::concat_rc_vec({
                 cursor.stack.get(0).cloned().map(|(stream, _)| stream)
-                    .unwrap_or(cursor.stream.clone())
+                    .unwrap_or_else(|| cursor.stream.clone())
             }),
         }
     }