Support find pattern for pattern matching syntax

This PR Support find pattern matching for Ruby 2.8 (3.0) parser. Parser gem supports this syntax by whitequark/parser#714.
koic · Jun 26, 2020 · 3176d68 · 3176d68
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -14,6 +14,7 @@
 * [#46](https://github.com/rubocop-hq/rubocop-ast/pull/46): Basic support for [non-legacy AST output from parser](https://github.com/whitequark/parser/#usage). Note that there is no support (yet) in main RuboCop gem. ([@marcandre][])
 * [#48](https://github.com/rubocop-hq/rubocop-ast/pull/48): Support `Parser::Ruby28` for Ruby 2.8 (3.0) parser. ([@koic][])
 * [#35](https://github.com/rubocop-hq/rubocop-ast/pull/35): NodePattern now accepts `%named_param` and `%CONST`. The macros `def_node_pattern` and `def_node_search` accept default named parameters. ([@marcandre][])
+* [#50](https://github.com/rubocop-hq/rubocop-ast/pull/50): Support find pattern matching for Ruby 2.8 (3.0) parser. ([@koic][])
 
 ## 0.0.3 (2020-05-15)
 

diff --git a/lib/rubocop/ast/traversal.rb b/lib/rubocop/ast/traversal.rb
@@ -34,7 +34,7 @@ def walk(node)
                              match_with_lvasgn begin kwbegin return
                              in_match match_alt
                              match_as array_pattern array_pattern_with_tail
-                             hash_pattern const_pattern
+                             hash_pattern const_pattern find_pattern
                              index indexasgn].freeze
       SECOND_CHILD_ONLY = %i[lvasgn ivasgn cvasgn gvasgn optarg kwarg
                              kwoptarg].freeze