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Re:Ruby basics (1 viewing) (1) Guest
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TOPIC: Re:Ruby basics
#4577
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Ruby redo Statement

Syntax:
redo


Restarts this iteration of the most internal loop, without checking loop condition. Restarts yield or call if called within a block.
 
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#4578
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Ruby retry Statement

Syntax:
retry


If retry appears in rescue clause of begin expression, restart from the beginning of the 1begin body
 
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#4579
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
If retry appears in the iterator, the block, or the body of the for expression, restarts the invocation of the iterator call.

Arguments to the iterator is re-evaluated
 
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Ruby is considered a pure object-oriented language, because everything appears, to Ruby, as an object.

All Ruby data consists of objects that are instances of some class.

Even a class itself is an object that is an instance of the Class class.
 
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Defining a Class

Classes are created in Ruby with the class keyword:

class Point [< superclass ]
code
end
 
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ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Like most Ruby constructs, a class definition is delimited with an end.

In addition to defining a new class, the class keyword creates a new constant to refer to the class.
 
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