Move pattern type inference from adt::StructField to core_model_impl (WIP)

crates/ra_hir/src/lib.rs

@@ -51,6 +51,7 @@ pub use self::code_model_api::{
     Module, ModuleSource, Problem,
     Struct, Enum, EnumVariant,
     Function, FnSignature, ScopeEntryWithSyntax,
+    StructField,
     Static, Const,
     Trait, Type,
 };