Modulerio-0.1.25.0Haskell2010

RIO.HashMap.Partial

Strict HashMap partial functions. Import as:

import qualified RIO.HashMap.Partial as HM'

Contents

Synopsis

Basic interface

value(!) :: (Hashable k, HasCallStack) => HashMap k v -> k -> v

O(\log n) Return the value to which the specified key is mapped. Calls error if this map contains no mapping for the key.