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(.module:
[lux #*
[control
[monad (#+ do)]
["ex" exception (#+ exception:)]]
[data
["." text
format]
[collection
[list ("list/." Functor<List>)]
["dict" dictionary (#+ Dictionary)]]]]
[// (#+ Handler Bundle)])
(exception: #export (incorrect-arity {name Text} {arity Nat} {args Nat})
(ex.report ["Extension" (%t name)]
["Expected arity" (|> arity .int %i)]
["Actual arity" (|> args .int %i)]))
(exception: #export (invalid-syntax {name Text})
(ex.report ["Extension" name]))
## [Utils]
(def: #export empty
Bundle
(dict.new text.Hash<Text>))
(def: #export (install name anonymous)
(All [s i o]
(-> Text (Handler s i o)
(-> (Bundle s i o) (Bundle s i o))))
(dict.put name anonymous))
(def: #export (prefix prefix)
(All [s i o]
(-> Text (-> (Bundle s i o) (Bundle s i o))))
(|>> dict.entries
(list/map (function (_ [key val]) [(format prefix " " key) val]))
(dict.from-list text.Hash<Text>)))
|
