TT types and values, some text manipulation, basics of Core
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| 1 | ||| Utilities functions for contitionally delaying values. | ||
| 2 | module Control.Delayed | ||
| 3 | |||
| 4 | %default total | ||
| 5 | |||
| 6 | ||| Type-level function for a conditionally delayed type (`Lazy` or `Inf`). | ||
| 7 | public export | ||
| 8 | delayed : DelayReason -> Bool -> Type -> Type | ||
| 9 | delayed r False a = a | ||
| 10 | delayed r True a = Delayed r a | ||
| 11 | |||
| 12 | ||| Type-level function for a conditionally infinite type. | ||
| 13 | public export | ||
| 14 | inf : Bool -> Type -> Type | ||
| 15 | inf = delayed Infinite | ||
| 16 | |||
| 17 | ||| Type-level function for a conditionally lazy type. | ||
| 18 | public export | ||
| 19 | lazy : Bool -> Type -> Type | ||
| 20 | lazy = delayed LazyValue | ||
| 21 | |||
| 22 | ||| Conditionally delay a value. | ||
| 23 | export | ||
| 24 | delay : (d : Bool) -> a -> delayed r d a | ||
| 25 | delay False x = x | ||
| 26 | delay True x = Delay x | ||