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|
(.using
[library
[lux "*"
[abstract
[functor {"+" Functor}]
[apply {"+" Apply}]
[monad {"+" Monad do}]]
[control
[parser
["<[0]>" code]]]
[type
[abstract {"-" pattern}]]
[macro {"+" with_symbols}
[syntax {"+" syntax:}]
["[0]" template]]]])
(abstract: .public (IO a)
(-> Any a)
(def: label
(All (_ a) (-> (-> Any a) (IO a)))
(|>> abstraction))
(template: (!io computation)
[(abstraction
(template.with_locals [g!func g!arg]
(function (g!func g!arg)
computation)))])
(template: (run!' io)
... creatio ex nihilo
[((representation io) [])])
(syntax: .public (io [computation <code>.any])
(with_symbols [g!func g!arg]
(in (list (` ((~! ..label) (function ((~ g!func) (~ g!arg))
(~ computation))))))))
(def: .public run!
(All (_ a) (-> (IO a) a))
(|>> ..run!'))
(implementation: .public functor
(Functor IO)
(def: (each f)
(|>> ..run!' f !io)))
(implementation: .public apply
(Apply IO)
(def: &functor ..functor)
(def: (on fa ff)
(!io ((..run!' ff) (..run!' fa)))))
(implementation: .public monad
(Monad IO)
(def: &functor ..functor)
(def: in
(|>> !io))
(def: conjoint
(|>> ..run!' ..run!' !io)))
)
|
