Hello here is my proposal. Discuss it.
Also what actual text need to be added for it to be implemented besides the syntax change.
Added a more complex case where an actual object with identifier matching a function parameter is passed as argument.
And what's the usecase? I mean, why would you need named arguments? And what are there exact semantics? Does it match the arguments name to the parameter? If so how?
Also given that : is already used for labels, object destructuring and object literals I'm not convinced that yet another usage of it is needed.
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