Tag Archives: closure

Blocks as Closures (Part 3)

By Avatar | April 9, 2008

That’s where blocks come in, to simplify the definition and use of these buttons making maintenance simpler so we could call the specific block to which we pass on the necessary parameters or methods to attain the final outcome. Below is an example of how this can be achieved with blocks creating a class called [...]

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Blocks as Closures (Part 2)

By Avatar | April 5, 2008

Sample Code:
class PlayButton < Button
def initialize
super(“Play”) # invoke Button’s initialize process
end
def buttonSelected
# do something that should be done when the start button is pressed
end
end
bPlay = PlayButton.new
This type of approach would bring about two [...]

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