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Keep a bitmask of what types of constraints we've seen in a set of impls #6

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cxw42 opened this issue Sep 5, 2019 · 0 comments
Open

Keep a bitmask of what types of constraints we've seen in a set of impls #6

cxw42 opened this issue Sep 5, 2019 · 0 comments
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enhancement New feature or request

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cxw42 commented Sep 5, 2019

This will make it easier to pick a dispatcher appropriate for those constraints (#2 (comment)). E.g., a bit each for:

  • Do any impls use positional parameters?
  • Are there at least two different positional arities in the set of impls?
  • Do any impls use named parameters?
  • Do any impls use type constraints?
  • Do any impls use where clauses?
@cxw42 cxw42 added the enhancement New feature or request label Sep 5, 2019
cxw42 added a commit that referenced this issue Sep 7, 2019
@cxw42
Added named-parameter parsing; feature bitmask
3d5dd2f 
- Named-parameter parsing: :$foo now parses
- Feature bitmask: most of the way done with #6
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