Expose SchemaType (#569)

Executor.schema(&self) is kind of useless without declaring SchemaType as public

juniper/CHANGELOG.md

@@ -12,6 +12,11 @@
 
 See [#419](https://github.com/graphql-rust/juniper/pull/419).
 
+- `SchemaType` is now public
+  - This is helpful when using `context.getSchema()` inside of your field resolvers
+
+See [#569](https://github.com/graphql-rust/juniper/pull/569).
+
 ## Breaking Changes
 
 - remove old `graphql_object!` macro, rename `object` proc macro to `graphql_object`

juniper/src/lib.rs

@@ -172,7 +172,10 @@ pub use crate::{
         LookAheadSelection, LookAheadValue, Registry, Variables,
     },
     introspection::IntrospectionFormat,
-    schema::{meta, model::RootNode},
+    schema::{
+        meta,
+        model::{RootNode, SchemaType},
+    },
     types::{
         base::{Arguments, GraphQLType, TypeKind},
         scalars::{EmptyMutation, ID},