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26 lines
682 B
Idris
26 lines
682 B
Idris
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import Data.Vect
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record Person where
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constructor MkPerson
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firstName, middleName, lastName : String
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age : Int
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record SizedClass (size : Nat) where
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constructor SizedClassInfo
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students : Vect size Person
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className : String
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record Class where
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constructor ClassInfo
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students : Vect n Person
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className : String
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addStudent : Person -> Class -> Class
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addStudent p c = record { students = p :: students c } c
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addStudent' : Person -> SizedClass n -> SizedClass (S n)
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addStudent' p c = SizedClassInfo (p :: students c) (className c)
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addStudent'' : Person -> SizedClass n -> SizedClass (S n)
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addStudent'' p c = record { students = p :: students c } c
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