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[MATCH-40] Allow or'ing of guard functions Created: 21/Nov/11  Updated: 21/Nov/11

Status: Open
Project: core.match
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Enhancement Priority: Major
Reporter: Hugo Duncan Assignee: David Nolen
Resolution: Unresolved Votes: 0
Labels: None


In order to simplify composition of guard predicates which are alternatives, allow for passing a sequence of predicates whose values when called will be or'd together.

The :when keyword currently allows passing of a vector of predicates that are and'd together.

Either case (`and` or `or`) can be achieved externally to match via composition, and an alternative might be to force explicit composition outside of core.match.

At the least, the documentation should mention that multiple predicates will be and'd together.

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