Methods
method K<F, A> mutate <F, Env, A> (Func<A, A> f) Source #
where
F : Functor<F>
where
Env : Mutates<F, A>
Mutate an atomic value in an environment
Parameters
| type | F | Readable ＆ Monad trait |
| type | Env | Environment type |
| type | A | Type of the value to read from the environment |
| param | f | Function to mapping the value atomically |
| returns | Result of mutation, or original value if the underlying Atom's validator failed | |