Class: EventMachine::Defer::ResolvedPromise
- Defined in:
- lib/em-promise/defer.rb
Instance Method Summary collapse
-
#initialize(response, error = false) ⇒ ResolvedPromise
constructor
A new instance of ResolvedPromise.
- #then(callback = nil, errback = nil, &blk) ⇒ Object
Constructor Details
#initialize(response, error = false) ⇒ ResolvedPromise
Returns a new instance of ResolvedPromise.
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# File 'lib/em-promise/defer.rb', line 73 def initialize(response, error = false) raise ArgumentError if error && response.is_a?(Promise) @error = error @response = response end |
Instance Method Details
#then(callback = nil, errback = nil, &blk) ⇒ Object
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# File 'lib/em-promise/defer.rb', line 79 def then(callback = nil, errback = nil, &blk) result = Defer.new callback ||= blk EM.next_tick { if @error result.resolve(errback.nil? ? Defer.reject(@response) : errback.call(@response)) else result.resolve(callback.nil? ? @response : callback.call(@response)) end } result.promise end |