Merge #470

470: Type inference for enum variants r=flodiebold a=marcusklaas

Opened a new PR instead of https://github.com/rust-analyzer/rust-analyzer/pull/461. Totally botched that one.

I think I resolved all the issues mentioned there.

Co-authored-by: Marcus Klaas de Vries <mail@marcusklaas.nl>

crates/ra_hir/src/lib.rs

@@ -58,6 +58,6 @@ pub use self::code_model_api::{
     Crate, CrateDependency,
     Def,
     Module, ModuleSource, Problem,
-    Struct, Enum,
+    Struct, Enum, EnumVariant,
     Function, FnSignature,
 };