mirror of
https://github.com/idris-lang/Idris2.git
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127 lines
3.0 KiB
Plaintext
127 lines
3.0 KiB
Plaintext
1/1: Building DocImpl (DocImpl.idr)
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Main> interface Main.Happy : Type -> Type
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Parameters: t
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Methods:
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happy : t
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Implementations:
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Happy Nat
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Happy Bool
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Main> happy : Bool
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happy = True
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Main> happy : Nat
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happy = 0
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Main> show : String -> String
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show cs = strCons '"' (showLitString (unpack cs) "\"")
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showPrec : Prec -> String -> String
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showPrec _ x = show x
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Main> Could not find an implementation for Show Type
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Main> Error: Undefined name NAt.
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(Interactive):1:14--1:17
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1 | :printdef Eq NAt
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^^^
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Did you mean any of: Nat, or Not?
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Main> (==) : Nat -> Nat -> Bool
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(==) = equalNat
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(/=) : Nat -> Nat -> Bool
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x /= y = not (x == y)
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Main> (==) : Eq a => List a -> List a -> Bool
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[] == [] = True
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(x :: xs) == (y :: ys) = (x == y) && Delay (xs == ys)
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_ == _ = False
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(/=) : Eq a => List a -> List a -> Bool
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x /= y = not (x == y)
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Main> (==) : Double -> Double -> Bool
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x == y = intToBool (prim__eq_Double x y)
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(/=) : Double -> Double -> Bool
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x /= y = not (x == y)
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Main> map : (a -> b) -> Maybe a -> Maybe b
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map f (Just x) = Just (f x)
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map f Nothing = Nothing
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Main> foldr : (elem -> acc -> acc) -> acc -> Either e elem -> acc
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foldr f acc (Left _) = acc
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foldr f acc (Right x) = f x acc
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foldl : (acc -> elem -> acc) -> acc -> Either e elem -> acc
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foldl f z t = foldr (flip (.) . flip f) id t z
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null : Either e elem -> Bool
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null (Left _) = True
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null (Right _) = False
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foldlM : Monad m => (acc -> elem -> m acc) -> acc -> Either e elem -> m acc
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foldlM fm a0 = foldl (\ma, b => ma >>= flip fm b) (pure a0)
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toList : Either e elem -> List elem
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toList = foldr (::) []
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foldMap : Monoid m => (a -> m) -> Either e a -> m
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foldMap f = foldr ((<+>) . f) neutral
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Main> Imported module Data.Bits
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Main> 0 Index : Type
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Index = Nat
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(.&.) : Integer -> Integer -> Integer
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(.&.) = prim__and_Integer
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(.|.) : Integer -> Integer -> Integer
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(.|.) = prim__or_Integer
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xor : Integer -> Integer -> Integer
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xor = prim__xor_Integer
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shiftL : Integer -> Index -> Integer
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(x `shiftL`) = prim__shl_Integer x . natToInteger
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shiftR : Integer -> Index -> Integer
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(x `shiftR`) = prim__shr_Integer x . natToInteger
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bit : Index -> Integer
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bit = \arg => 1 `shiftL` arg
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zeroBits : Integer
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zeroBits = 0
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complement : Integer -> Integer
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complement = (oneBits `xor`)
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oneBits : Integer
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oneBits = -1
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complementBit : Integer -> Index -> Integer
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complementBit x i = x `xor` bit i
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clearBit : Integer -> Index -> Integer
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clearBit x i = x `xor` (bit i .&. x)
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testBit : Integer -> Index -> Bool
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testBit x i = (x .&. bit i) /= 0
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setBit : Integer -> Index -> Integer
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setBit x i = x .|. bit i
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Main> Bye for now!
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1/1: Building List (List.idr)
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List> interface List.Monoid : Type -> Type
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Parameters: ty
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Constructor: MkMonoid
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Users can hand-craft their own monoid implementations
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Methods:
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neutral : ty
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(++) : ty -> ty -> ty
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Fixity Declaration: infixr operator, level 5
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Implementation: Monoid (List a)
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List> neutral : List a
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neutral = []
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(++) : List a -> List a -> List a
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xs ++ ys = case xs of
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{ [] => ys
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; x :: xs => let ih = xs ++ ys in x :: ih
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}
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List>
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Bye for now!
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