sizePatternSucc.err

--- opening "sizePatternSucc.ma" ---
--- scope checking ---
--- type checking ---
type  SNat : + Size -> Set
term  SNat.zero : .[s!ze : Size] -> .[i < s!ze] -> SNat s!ze
term  SNat.zero : .[i : Size] -> < SNat.zero i : SNat $i >
term  SNat.succ : .[s!ze : Size] -> .[i < s!ze] -> ^ SNat i -> SNat s!ze
term  SNat.succ : .[i : Size] -> ^(y1 : SNat i) -> < SNat.succ i y1 : SNat $i >
type  Empty : Set
term  bad : .[i : Size] -> SNat i -> Empty
error during typechecking:
bad
/// clause 2
/// pattern zero $i
/// pattern $i
/// successor pattern only allowed in cofun