[GR-59866] Support symbolize_names argument to `MatchData#named_cap…

…tures` PullRequest: truffleruby/4426
oracle · Dec 17, 2024 · 2c1e91b · 2c1e91b
2 parents 08fdec7 + 0db6c47
commit 2c1e91b
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -41,6 +41,7 @@ Compatibility:
 * Add `Dir.fchdir` (#3681, @andrykonchin).
 * Add `Dir#chdir` (#3681, @andrykonchin).
 * Declare `File::SHARE_DELETE` constant (#3745, @andrykonchin).
+* Support `symbolize_names` argument to `MatchData#named_captures` (#3681, @rwstauner).
 
 Performance:
 

diff --git a/spec/tags/core/matchdata/named_captures_tags.txt b/spec/tags/core/matchdata/named_captures_tags.txt
diff --git a/src/main/ruby/truffleruby/core/match_data.rb b/src/main/ruby/truffleruby/core/match_data.rb
@@ -91,7 +91,9 @@ def names
     regexp.names
   end
 
-  def named_captures
+  def named_captures(symbolize_names: false)
+    names = Primitive.regexp_names(self.regexp).map(&:first)
+    names.map!(&:to_s) unless symbolize_names
     names.collect { |name| [name, self[name]] }.to_h
   end