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planet-mitchell-0.1.0: Planet Mitchell

Safe HaskellNone
LanguageHaskell2010

Unique

Synopsis

Documentation

data Unique #

Unique identifiers are created by creating heap objects in kind # that can be compared for value equality and then hashing them using their initial allocation address.

Instances
Eq Unique 
Instance details

Defined in Control.Concurrent.Unique

Methods

(==) :: Unique -> Unique -> Bool #

(/=) :: Unique -> Unique -> Bool #

Hashable Unique 
Instance details

Defined in Control.Concurrent.Unique

Methods

hashWithSalt :: Int -> Unique -> Int #

hash :: Unique -> Int #

newUnique :: IO Unique #

Allocate a new Unique value. The value returned will not compare equal to any other value of type Unique returned by previous calls to newUnique. There is no limit on the number of times newUnique may be called.