module MrDarcy::Promise::State
Implementation of the State
Pattern for Promises.
Public Instance Methods
state(stateful)
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Return an instance of the correct State
class based on the state of the passed in object.
# File lib/mr_darcy/promise/state.rb, line 14 def state stateful case stateful.send :state when :unresolved Unresolved.new stateful when :resolved Resolved.new stateful when :rejected Rejected.new stateful else raise "Unknown state #{stateful.state}" end end