Module Monad.ReaderSource

Computations that read values from a shared environment.

Sourcetype ('a, 'p) t
Sourceval return : 'a -> ('a, 'p) t
Sourceval map : ('a -> 'b) -> ('a, 'p) t -> ('b, 'p) t
Sourceval bind : ('a -> ('b, 'p) t) -> ('a, 'p) t -> ('b, 'p) t
Sourceval sequence : ('a, 'p) t list -> ('a list, 'p) t
Sourcemodule Syntax : sig ... end
Sourceval run : ('a, 'e) t -> 'e -> 'a

Runs a ('a,'e)t and extracts the final value 'a from it.

Sourceval ask : ('e, 'e) t

Retrieves the monad environment.

Sourceval asks : ('e -> 'a) -> ('a, 'e) t

Retrieves a projection of the current monad environment.

Sourceval local : ('e -> 'e) -> ('a, 'e) t -> ('a, 'e) t

local f m executes a computation in m in an environment modified by f.