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[MATCH-2] Matching Diagnostics Created: 04/Sep/11  Updated: 27/Oct/11

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

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


 Description   

Communicate to the user precisely what failed to match. Conversation here: http://groups.google.com/group/clojure/browse_thread/thread/675456fba1712214. We adopt the behavior of condp since that is closer to what match does and will do (predicate dispatch)

 Comments   
Comment by David Nolen [ 05/Sep/11 10:40 AM ]

Continuing the conversation from GitHub - concerning your changes, we should probably show what current occurrence failed to match as well as the breadcrumb.

Comment by David Nolen [ 26/Sep/11 7:10 AM ]

Matching diagnostics will be complicated by MATCH-1. Clojure doesn't yet support simple data conveying exceptions. Will probably have to use a combination of proxy and definterface.

Comment by Ambrose Bonnaire-Sergeant [ 30/Sep/11 4:39 AM ]

I haven't yet kept up with your backtracking changes, and I just noticed this conversation, so I'll have to have another look at diagnostics with backtracking.

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