Add more example queries to rustdoc playground.

experiments/browser_based_querying/example_queries/rustdoc/trait_associated_consts.example

@@ -0,0 +1,26 @@
+# Traits with associated constants + their default values, if any.
+# Try these crates: bitflags, arrayvec, digest, lock_api
+query {
+  Crate {
+    item {
+      ... on Trait {
+        name @output
+
+        associated_constant {
+          const: name @output
+          const_default_value: default @output
+
+          span {
+            filename @output
+            first_line: begin_line @output
+          }
+        }
+      }
+    }
+  }
+}
+
+vars:
+{
+
+}

experiments/browser_based_querying/example_queries/rustdoc/traits_with_associated_types.example

@@ -0,0 +1,25 @@
+# Traits with associated types.
+# Try these crates: itertools, futures_core, anyhow, ansi_term
+query {
+  Crate {
+    item {
+      ... on Trait {
+        name @output
+
+        associated_type {
+          associated_type: name @output
+
+          span {
+            filename @output
+            first_line: begin_line @output
+          }
+        }
+      }
+    }
+  }
+}
+
+vars:
+{
+
+}

experiments/browser_based_querying/example_queries/rustdoc/type_associated_consts.example

@@ -0,0 +1,32 @@
+# Types with associated constants.
+# Try these crates: memchr, crossbeam_epoch, chrono, arrayvec, getrandom, hashbrown
+query {
+  Crate {
+    item {
+      # ImplOwner in our schema is a common supertype of
+      # vertex types like Struct and Enum:
+      # ones that may own "impl" blocks.
+      ... on ImplOwner {
+        __typename @output  # Get the exact type of this vertex.
+        name @output
+
+        inherent_impl {
+          associated_constant {
+            const: name @output
+            const_value: default @output
+
+            span {
+              filename @output
+              first_line: begin_line @output
+            }
+          }
+        }
+      }
+    }
+  }
+}
+
+vars:
+{
+
+}

experiments/browser_based_querying/src/rustdoc/Playground.tsx

@@ -15,6 +15,9 @@ import enumsWithTupleVariants from '../../example_queries/rustdoc/enums_with_tup
 import itemsWithAllowedLints from '../../example_queries/rustdoc/items_with_allowed_lints.example';
 import structsImportableByMultiplePaths from '../../example_queries/rustdoc/structs_importable_by_multiple_paths.example';
 import traitsWithSupertraits from '../../example_queries/rustdoc/traits_with_supertraits.example';
+import traitsWithAssociatedTypes from '../../example_queries/rustdoc/traits_with_associated_types.example';
+import traitAssociatedConsts from '../../example_queries/rustdoc/trait_associated_consts.example';
+import typeAssociatedConsts from '../../example_queries/rustdoc/type_associated_consts.example';
 
 const RUSTDOC_SCHEMA = buildSchema(rustdocSchema);
 
@@ -47,6 +50,18 @@ const EXAMPLE_OPTIONS: { name: string; value: [string, string] }[] = [
     name: 'Traits With Supertraits',
     value: parseExample(traitsWithSupertraits),
   },
+  {
+    name: 'Traits With Associated Types',
+    value: parseExample(traitsWithAssociatedTypes),
+  },
+  {
+    name: 'Traits With Associated Constants',
+    value: parseExample(traitAssociatedConsts),
+  },
+  {
+    name: 'Structs And Enums With Associated Constants',
+    value: parseExample(typeAssociatedConsts),
+  },
 ];
 
 import crateNames from '../rustdocCrates';