Quoting constructs: Difference between revisions
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====Blocks==== |
====Blocks==== |
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Somewhat between literal constants and instantiated object are blocks which represent a closure (lambda function). Here, the |
Somewhat between literal constants and instantiated object are blocks, which represent a closure (lambda function). Here, the a object is constructed as literal at compile time, and a closure object (which wraps the code plus the visible variables) into an object at execution time. |
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Blocks thus represent a piece of code which can be stored in an instance variable, passed as argument or returned from a method. |
Blocks thus represent a piece of code which can be stored in an instance variable, passed as argument or returned from a method. |
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<br>Block syntax is very compact: |
<br>Block syntax is very compact: |
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