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Re:Ruby basics (1 viewing) (1) Guest
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TOPIC: Re:Ruby basics
#4571
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Ruby until modifier

Syntax:
code until conditional

OR

begin
code
end until conditional


Executes code while conditional is false.
 
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#4572
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
If an until modifier follows a begin statement with no rescue or ensure clauses, code is executed once before conditional is evaluated
 
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#4573
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Ruby for Statement

Syntax:
for variable [, variable ...] in expression [do]
code
end


Executes code once for each element in expression.
 
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#4574
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
A for...in loop is almost exactly equivalent to:

(expression).each do |variable[, variable...]| code end


except that a for loop doesn't create a new scope for local variables.


A for loop's expression is separated from code by the reserved word do, a newline, or a semicolon.
 
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#4575
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Ruby break Statement

Syntax:
break


Terminates the most internal loop. Terminates a method with an associated block if called within the block (with the method returning nil).
 
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#4576
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Ruby next Statement

Syntax:
next


Jumps to next iteration of the most internal loop. Terminates execution of a block if called within a block (with yield or call returning nil).
 
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