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Remove dependency to Vector length in deleteAt

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Nicolas Biri 2020-07-14 08:25:46 +02:00 committed by G. Allais
parent 7920eb8a0e
commit aba76206c9
1 changed files with 4 additions and 3 deletions
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5
libs/base/Data/Vect.idr
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@ -111,9 +111,10 @@ insertAt (FS k) y (x::xs) = x :: insertAt k y xs
||| deleteAt 1 [1,2,3,4]
||| ```
public export
deleteAt : {len : _} -> Fin (S len) -> Vect (S len) elem -> Vect len elem
deleteAt : Fin (S len) -> Vect (S len) elem -> Vect len elem
deleteAt FZ (_::xs) = xs
deleteAt {len = S _} (FS k) (x::xs) = x :: deleteAt k xs
deleteAt (FS k) [x] = absurd k
deleteAt (FS k) (x::xs@(_::_)) = x :: deleteAt k xs
||| Replace an element at a particlar index with another
|||