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