A Draft Design for Type Parameters — Just because we know many readers don’t click on links within article summaries, we thought we should feature this.. it’s the actual proposal for extending Go with optional type parameters which would help with the implementation of generic types.
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Numbered Parameters Coming to Ruby 2.7, With a New Syntax — If you want to access...Numbered Parameters Coming to Ruby 2.7, With a New Syntax — If you want to access parameters in a block, say, you could use the normal |param| syntax or, in future, address the parameters numerically using special variables _1, _2, and so on. This replaces a former proposal for using a @1 type syntax instead.