Fix @rust.Type on typedef

Reviewed By: iahs

Differential Revision: D68909054

fbshipit-source-id: c94002ff1f35a4d353ff5cf039a365c3316bc274

third-party/thrift/src/thrift/compiler/generate/templates/rust/lib/typedef.mustache

@@ -35,7 +35,10 @@ pub type {{typedef:rust_name}} = {{!
 pub use {{type:package}}::{{type:rust_name}} as {{typedef:rust_name}};
 {{/type:enum}}{{!
     }}{{^type:enum}}
-pub type {{typedef:rust_name}} = {{> lib/type}};
+pub type {{typedef:rust_name}} = {{!
+    }}{{#typedef:rust_type}}::{{typedef:rust_type}}{{> lib/type_generics}}{{/typedef:rust_type}}{{!
+    }}{{^typedef:rust_type}}{{> lib/type}}{{/typedef:rust_type}}{{!
+}};
 {{/type:enum}}{{!
   }}{{/typedef:type}}{{!
 }}{{/typedef:has_adapter?}}{{!

third-party/thrift/src/thrift/compiler/test/fixtures/rust-annotations/out/rust/gen-rust/types.rs

@@ -13,9 +13,9 @@ pub mod services;
 #[allow(unused_imports)]
 pub(crate) use crate as types;
 
-pub type double_t = ::std::primitive::f64;
+pub type double_t = ::fbthrift::builtin_types::OrderedFloat<f64>;
 
-pub type map_t = ::std::collections::BTreeMap<::std::string::String, ::std::primitive::i64>;
+pub type map_t = ::sorted_vector_map::SortedVectorMap<::std::string::String, ::std::primitive::i64>;
 
 #[derive(Default, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub struct binary_t(pub ::smallvec::SmallVec<[u8; 16]>);