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Idris2/tests/idris2/basic027/Temp.idr
Edwin Brady a972778eab Add test script
They don't all pass yet, for minor reasons. Coming shortly...
Unfortunately the startup overhead for chez is really noticeable here!
2020-05-19 18:25:18 +01:00

16 lines
349 B
Idris

module Temp
import Data.List
safeHead : (l : List a) -> {auto pr : NonEmpty l} -> a
safeHead [] = absurd pr
safeHead (x::xs) = x
safeHead1 : (l : List a) -> {auto pr : NonEmpty l} -> a
safeHead1 @{pr} [] = absurd pr
safeHead1 (x::xs) = x
safeHead2 : (l : List a) -> {auto pr : NonEmpty l} -> a
safeHead2 @{t} [] = absurd t
safeHead2 (x::xs) = x