StateReader

endless.core.entity.StateReader

trait StateReader[F[_], S]

StateReader[F, S] is the ability to read a value of type S from a shared environment in context F, where that value is semantically understood as the current state of the entity.

Note that this is equivalent to Ask[F, S] in cats mtl.

Type parameters

F: context
S: state

Attributes

Graph
Supertypes: class Object

trait Matchable

class Any
Known subtypes: trait DurableEntity[F, S]

trait Effector[F, S, Alg]

trait Entity[F, S, E]

class EntityTLiftInstance[F, S, E]

trait StateReaderHelpers[F, S]

Members list

Value members

Abstract methods

Read the entity state, returns None if the entity doesn't yet exist

Attributes

Returns: optional state in F context

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