Merge #2383

2383: Add alloc to the crate graph r=matklad a=marcogroppo

`alloc` has been added to the crate graph.

Completions work, but they are available even when the user has **not** declared an `extern crate alloc`. Is this the correct approach?

Fixes #2376.

Co-authored-by: Marco Groppo <[email protected]>

1 files changed, 4 insertions, 0 deletions

diff --git a/crates/ra_project_model/src/sysroot.rs b/crates/ra_project_model/src/sysroot.rs
index 3d827809e..bec9439d7 100644
--- a/crates/ra_project_model/src/sysroot.rs
+++ b/crates/ra_project_model/src/sysroot.rs
@@ -31,6 +31,10 @@ impl Sysroot {
         self.by_name("core")
     }
 
+    pub fn alloc(&self) -> Option<SysrootCrate> {
+        self.by_name("alloc")
+    }
+
     pub fn std(&self) -> Option<SysrootCrate> {
         self.by_name("std")
     }