Support symbolize_names argument to MatchData#named_captures

oracle · Dec 13, 2024 · 0db6c47 · 0db6c47
1 parent 373a3c9
commit 0db6c47
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -40,6 +40,7 @@ Compatibility:
 * Add `Dir.for_fd` (#3681, @andrykonchin).
 * Add `Dir.fchdir` (#3681, @andrykonchin).
 * Add `Dir#chdir` (#3681, @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