Class: DelayedResult

Inherits:

Object

• Object
• DelayedResult

Defined in:

lib/master_loader.rb

Class Method Summary

• .zip(*results, &block) ⇒ Object

Instance Method Summary

• #initialize(&resolver) ⇒ DelayedResult constructor

  A new instance of DelayedResult.

• #then(&block) ⇒ Object
• #value ⇒ Object
• #value! ⇒ Object

Constructor Details

#initialize(&resolver) ⇒ DelayedResult

Returns a new instance of DelayedResult.

# File 'lib/master_loader.rb', line 2

def initialize(&resolver)
  @resolver = resolver
end

Class Method Details

.zip(*results, &block) ⇒ Object

# File 'lib/master_loader.rb', line 12

def self.zip(*results, &block)
  DelayedResult.new do
    results = results.map(&:value!)
    block.call(*results)
  end
end

Instance Method Details

#then(&block) ⇒ Object

# File 'lib/master_loader.rb', line 6

def then(&block)
  DelayedResult.new do
    block.call(value!)
  end
end

#value ⇒ Object

# File 'lib/master_loader.rb', line 29

def value
  value!
end

#value! ⇒ Object

# File 'lib/master_loader.rb', line 19

def value!
  @value ||= @resolver.call.yield_self do |val|
    if val&.is_a?(DelayedResult)
      val.value!
    else
      val
    end
  end
end