Add GenericParamList to AssocTypeArg

Author: Veykril

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "ungrammar"
 description = "A DSL for describing concrete syntax trees"
-version = "1.14.1"
+version = "1.14.2"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/matklad/ungrammar"
 authors = ["Aleksey Kladov <aleksey.kladov@gmail.com>"]

rust.ungram

@@ -51,7 +51,7 @@ TypeArg =
   Type
 
 AssocTypeArg =
-  NameRef (':' TypeBoundList | '=' Type)
+  NameRef GenericParamList? (':' TypeBoundList | '=' Type)
 
 LifetimeArg =
   Lifetime