Merge pull request #1997 from ksss/default_type_range

Fix position for default_type

Author: soutaro

ext/rbs_extension/parser.c

@@ -1194,7 +1194,7 @@ VALUE parse_type_params(parserstate *state, range *rg, bool module_type_params)
 
           default_type_range.start = state->current_token.range.start;
           default_type = parse_type(state);
-          default_type_range.start = state->current_token.range.end;
+          default_type_range.end = state->current_token.range.end;
 
           required_param_allowed = false;
         } else {

test/rbs/signature_parsing_test.rb

@@ -2061,6 +2061,7 @@ class Foo[X < _Each[String]? = Array[String]]
           assert_equal :invariant, param.variance
           refute_predicate param, :unchecked?
           assert_nil param.upper_bound
+          assert_equal 29...44, param.location[:default].range
           assert_equal parse_type("_Each[String]?"), param.upper_bound_type
           assert_equal parse_type("Array[String]"), param.default_type
         end