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Topic: Operator associativity


In the News (Wed 30 Dec 09)

  
  Common operator notation - Wikipedia, the free encyclopedia
Operator associativity, loosely speaking, describes what operators are allowed to associate before associating with the operator in question.
The unary postfix operator '!' and, in the C language, the post-increment and post-decrement operators "++" and "--" are examples of associative postfix operators.
Among operators of equal precedence, associate operands with operators according to the associativity of the operators.
en.wikipedia.org /wiki/Common_operator_notation   (794 words)

  
 C++ Ripped Apart - Operator Precedence & Operator Associativity (via CobWeb/3.1 planetlab2.cs.virginia.edu)   (Site not responding. Last check: 2007-10-14)
Operator precedence (determines which expressions are evaluated before others in a statement) and operator associativity are both very important to understand.
Associativity may be left associative (left to right) or right associative (right to left).
Now that we have covered the precedence of operators and operator associativity, we can move on to something that occurs during assignment statements, sometimes without the programmer asking for it and sometimes by the programmer specifically asking for it.
warebizprogramming.com.cob-web.org:8888 /text/cpp/section1/part5.htm   (304 words)

  
 Operator Precedence and Associativity
When we can't decide by operator precedence alone in which order to calculate an expression, we must use associativity.
If you don't use parentheses, Pike will use the precedences and the associativities of the operators to decide in which order to perform them.
This table shows the priority and associativity of each operator in Pike, with the highest priority at the top:
docs.roxen.com /pike/7.0/tutorial/expressions/operator_tables.xml   (200 words)

  
 Operator Precedence and Associativity (via CobWeb/3.1 planetlab2.cs.virginia.edu)   (Site not responding. Last check: 2007-10-14)
The associativity of operators refers to order in which repeated use of the same operator will be evaluated.
For example, the expression 1+2+3 will be evaluated as (1+2)+3 since the [quot ] + [quot ] operator associates the leftmost operator instances first.
In contrast, the statement A = B = C will first perform the B = C assignment, and then the result is assigned to A. Associativity should not be confused with precedence, which determines which one of different operators will be evaluated first.
www.cogent.ca.cob-web.org:8888 /Docs/re-operators.html   (136 words)

  
 Re: Lisp vs. Perl Round 3: Operator Associativity and Manipulation (via CobWeb/3.1 planetlab2.cs.virginia.edu)   (Site not responding. Last check: 2007-10-14)
Re: Lisp vs. Perl Round 3: Operator Associativity and Manipulation Simon Cozens
RE: Lisp vs. Perl Round 3: Operator Associativity and Manipulation Lee Goddard
Re: Lisp vs. Perl Round 3: Operator Associativity and Manipulation John Porter
www.mail-archive.com.cob-web.org:8888 /perl-ai@perl.org/msg00101.html   (283 words)

  
 Code Snippets (via CobWeb/3.1 planetlab2.cs.virginia.edu)   (Site not responding. Last check: 2007-10-14)
Similar to the red-fl tree, the macro ALIGNMENT in hash.c should be set to the memory alignment requirements for the objects associated with the keys.
The Unix manual pages may be freely copied, distributed and/or modified, as long as the copyright and license notices are preserved.
cop.7 documents the precedence and associativity of the operators in the C language.
www.zero-based.org.cob-web.org:8888 /programming   (197 words)

  
 Operator associativity - Wikipedia, the free encyclopedia
Common operator notation (more formal, but still informal description)
This disambiguation page lists articles associated with the same title.
If an internal link led you here, you may wish to change the link to point directly to the intended article.
en.wikipedia.org /wiki/Operator_associativity   (72 words)

  
 Operator precedence and associativity - Practical PHP Programming (via CobWeb/3.1 planetlab2.cs.virginia.edu)   (Site not responding. Last check: 2007-10-14)
If there is any ambiguity in your expressions, PHP will resolve them according to its internal set of rules about operator precedence, that is, which operators are calculated first.
The answer is operator associativity, which decides the direction in which operations are performed.
The middle 5 has a minus on either side, but, because - is left-associative, the left-hand operation is performed first, giving the second possibility, and therefore -5.
www.hudzilla.org.cob-web.org:8888 /phpbook/read.php/3_12_7   (614 words)

  
 JavaScript Operator Precedence & Associativity Chart (via CobWeb/3.1 planetlab2.cs.virginia.edu)   (Site not responding. Last check: 2007-10-14)
JavaScript Operator Precedence and Associativity Chart (via CobWeb/3.1 planetlab2.cs.virginia.edu)
Below is a Operator Precedence and Associativity Chart for the JavaScript Programming Language.
The information in this chart has been derived directly from the "ECMAScript Language Specification"
www.codehouse.com.cob-web.org:8888 /javascript/precedence   (45 words)

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