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(.module:
[lux (#- Scope)
[abstract
["." monad (#+ do)]]
[data
["." product]
["." text
format]
[collection
["." list ("#;." functor)]]]
[host
["_" scheme (#+ Computation Var)]]]
["." // #_
[runtime (#+ Operation Phase)]
["#." case]
["#/" //
["#/" //
[//
[synthesis (#+ Scope Synthesis)]]]]])
(def: @scope (_.var "scope"))
(def: #export (scope generate [start initsS+ bodyS])
(-> Phase (Scope Synthesis) (Operation Computation))
(do ////.monad
[initsO+ (monad.map @ generate initsS+)
bodyO (///.with-anchor @scope
(generate bodyS))]
(wrap (_.letrec (list [@scope (_.lambda [(|> initsS+
list.enumerate
(list;map (|>> product.left (n/+ start) //case.register)))
#.None]
bodyO)])
(_.apply/* @scope initsO+)))))
(def: #export (recur generate argsS+)
(-> Phase (List Synthesis) (Operation Computation))
(do ////.monad
[@scope ///.anchor
argsO+ (monad.map @ generate argsS+)]
(wrap (_.apply/* @scope argsO+))))
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