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utils: Make the contract of collect-by-key more specific.

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Sergiu Ivanov 2020-03-02 18:16:25 +01:00
parent 740918a542
commit 45db731859
1 changed files with 1 additions and 1 deletions
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utils.rkt
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@ -25,7 +25,7 @@
#:e-func (-> any/c any/c))
graph?)]
[pretty-print-set (-> generic-set? string?)]
[collect-by-key (-> (listof any/c) (listof any/c) (values (listof any/c) (listof any/c)))]
[collect-by-key (-> (listof any/c) (listof any/c) (values (listof any/c) (listof (listof any/c))))]
[collect-by-key/sets (-> (listof any/c) (listof any/c) (values (listof any/c) (listof (set/c any/c))))]
[ht-values:list->set (-> (hash/c any/c (listof any/c)) (hash/c any/c (set/c any/c)))])