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newt/src/Lib/Util.idr

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Idris

module Lib.Util
import Lib.Types
export
funArgs : Tm -> (Tm, List Tm)
funArgs tm = go tm []
where
go : Tm -> List Tm -> (Tm, List Tm)
go (App _ t u) args = go t (u :: args)
go t args = (t, args)
public export
data Binder : Type where
MkBind : FC -> String -> Icit -> Tm -> Binder
-- I don't have a show for terms without a name list
export
Show Binder where
show (MkBind _ nm icit t) = "[\{nm} \{show icit} : ...]"
data Foo : Type -> Type where
MkFoo : Nat -> Foo a
export
splitTele : Tm -> (Tm, List Binder)
splitTele = go []
where
go : List Binder -> Tm -> (Tm, List Binder)
go ts (Pi fc nm icit t u) = go (MkBind fc nm icit t :: ts) u
go ts tm = (tm, reverse ts)