[ruby/prism] Use char_is_identifier_start() to check for valid method name
alnum_char() only checks for alphanumeric characters while ignoring other valid cases (like emoji codepoints for example)
https://github.com/ruby/prism/commit/d15958fd28
[ruby/prism] Use char_is_identifier_start() to check for valid method name
alnum_char() only checks for alphanumeric characters while
ignoring other valid cases (like emoji codepoints for example)
https://github.com/ruby/prism/commit/d15958fd28