re: Ruby 2.7 new feature: Method reference operator VIEW POST

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In other programming languages, they have more convenient way to reference the method.

gist.github.com/americodls/20981b2...
bugs.ruby-lang.org/issues/13581

IMO, the difference between Ruby and other languages is method calling.
Other languages can reference the method by .method_name without (), but ruby can't because Ruby doesn't need () for method call.

The .: looks like method calling ., with additional : can reference the method. That makes sense to me.

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