[Proposal]: User-defined positional patterns
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333fred commented
User-defined positional patterns
Summary
Defining a named positional pattern which is not bound to a type check.
Exploring a different approach than the one originally presented in #1047 which suggests to relax Deconstruct to return bool.
This proposal does not conflict with bool-returning Deconstruct methods, i.e. both can exist at the same time, but this enables much more flexibility in this space as these patterns have a name of their own rather than just using the type's name.