5 lines
272 B
Text
5 lines
272 B
Text
--
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inductive List (T : Type) : Type := nil {} : List T | cons : T → List T → List T open List notation h :: t := cons h t notation `[` l:(foldr `,` (h t, cons h t) nil) `]` := l
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infixr `::` := cons
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check (1:num) :: 2 :: nil
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check (1:num) :: 2 :: 3 :: 4 :: 5 :: nil
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