Module: Kernel

Defined in:
lib/future.rb,
lib/promise.rb

Instance Method Summary (collapse)

Instance Method Details

- (Future) future { ... }

Creates a new future.

Examples:

Evaluate an operation in another thread

x = future { 3 + 3 }

Yields:

  • [] A block to be optimistically evaluated in another thread.

Yield Returns:

  • (Object) —

    The return value of the block will be the evaluated value of the future.

Returns:



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# File 'lib/future.rb', line 62

def future(&block)
  Future.new(&block)
end

- (Promise) promise { ... }

Creates a new promise.

Examples:

Lazily evaluate an arithmetic operation

x = promise { 3 + 3 }

Yields:

  • [] A block to be lazily evaluated.

Yield Returns:

  • (Object) —

    The return value of the block will be the lazily evaluated value of the promise.

Returns:



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# File 'lib/promise.rb', line 87

def promise(&block)
  Promise.new(&block)
end