From d28aed6dc45ffccc790469cb04f3f775ddb2283a Mon Sep 17 00:00:00 2001
From: ljedrz <ljedrz@gmail.com>
Date: Fri, 12 Oct 2018 16:16:00 +0200
Subject: Prefer unwrap_or_else to unwrap_or in case of function
 calls/allocations

---
 src/librustc_errors/diagnostic_builder.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/librustc_errors')

diff --git a/src/librustc_errors/diagnostic_builder.rs b/src/librustc_errors/diagnostic_builder.rs
index 60a68b1e496..f4289ea2d4b 100644
--- a/src/librustc_errors/diagnostic_builder.rs
+++ b/src/librustc_errors/diagnostic_builder.rs
@@ -128,7 +128,7 @@ impl<'a> DiagnosticBuilder<'a> {
         message: &str,
         span: Option<S>,
     ) -> &mut Self {
-        let span = span.map(|s| s.into()).unwrap_or(MultiSpan::new());
+        let span = span.map(|s| s.into()).unwrap_or_else(|| MultiSpan::new());
         self.diagnostic.sub(level, message, span, None);
         self
     }
-- 
cgit 1.4.1-3-g733a5