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authorMatthias Krüger <matthias.krueger@famsik.de>2018-10-31 00:10:10 +0100
committerMatthias Krüger <matthias.krueger@famsik.de>2018-10-31 00:10:10 +0100
commitf6b8876d45841a2b3b082376d3a5d265851208d7 (patch)
tree425894e4bfceac8d1ffed652fb501c9c0b0d0671 /src/libsyntax/ext
parente8aef7cae14bc7a56859408c90253e9bcc07fcff (diff)
downloadrust-f6b8876d45841a2b3b082376d3a5d265851208d7.tar.gz
rust-f6b8876d45841a2b3b082376d3a5d265851208d7.zip
use String::from() instead of format!() macro to construct Strings.
Diffstat (limited to 'src/libsyntax/ext')
-rw-r--r--src/libsyntax/ext/expand.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs
index 33b651e1b38..ce326b728df 100644
--- a/src/libsyntax/ext/expand.rs
+++ b/src/libsyntax/ext/expand.rs
@@ -687,7 +687,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
                         "proc_macro_hygiene",
                         self.span,
                         GateIssue::Language,
-                        &format!("procedural macros cannot expand to macro definitions"),
+                        "procedural macros cannot expand to macro definitions",
                     );
                 }
                 visit::walk_item(self, i);