Combine `std_inject::{no_core, no_std}` into `std_inject::injected_crate_name`.

1 files changed, 1 insertions, 7 deletions

diff --git a/src/libsyntax/ext/base.rs b/src/libsyntax/ext/base.rs
index b56018e1e9d..ece4f057b34 100644
--- a/src/libsyntax/ext/base.rs
+++ b/src/libsyntax/ext/base.rs
@@ -739,13 +739,7 @@ impl<'a> ExtCtxt<'a> {
     }
 
     pub fn initialize(&mut self, user_exts: Vec<NamedSyntaxExtension>, krate: &ast::Crate) {
-        if std_inject::no_core(&krate) {
-            self.crate_root = None;
-        } else if std_inject::no_std(&krate) {
-            self.crate_root = Some("core");
-        } else {
-            self.crate_root = Some("std");
-        }
+        self.crate_root = std_inject::injected_crate_name(krate);
 
         for (name, extension) in user_exts {
             let ident = ast::Ident::with_empty_ctxt(name);