Questions tagged [logical-operator]
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9 questions
5votes
5answers
951views
Is it bad practice to use nullptr in ternary operation?
I've set up a ternary operator in place of a pile of if-else's, the final expression being nullptr in order to finish the loop, like so: int menuSelect; std::string operation=""; (...
- 61
3votes
5answers
726views
What is the best way to make an if statement condition itself conditional?
Apologies if this is answered elsewhere here but this specific question is somewhat hard to search for as you might see. I'm writing a script currently that essentially has a simple if-then within a ...
- 49
6votes
5answers
7kviews
Why don't languages like C have NAND operators?
I know that some languages like APL have a dedicated NAND operator, but I'm thinking about languages like C, C++, Java, Rust, Go, Swift, Kotlin, even instruction sets, etc. since these are the ...
- 555
2votes
3answers
2kviews
Any reason to not use a triple not?
If logical not ! will switch a boolean value from false to true or true to false and a double not !! will cast a value from one primitive type to boolean is there any reason one can not use a logical ...
- 1,237
2votes
4answers
534views
Conditional vs Logical Testing
I would like to get your code thought and views on using conditional vs logical testing. For example: To test the conditions of truthness of all of the following variables, their currect status is ...
58votes
8answers
19kviews
Is there a keyword or operator for "nor"?
Is there an operator equivalent of nor? For example, my favorite color is neither green nor blue. And the code would be equivalent to: // example one if (color!="green" && color!="blue") { ...
- 1,237
62votes
3answers
11kviews
&& and || are not logical but conditional operators?
I am a bit confused by the MSDN C# documentation which states that & and | are logical operators and that && and || are conditional operators. I keep calling &&, || and ! logical ...
- 4,946
7votes
4answers
1kviews
Why is there both logical operators <> and !=?
The are two operators '<>' and '!=' used in programming languages with the same general meaning. '<>' can be used in PHP, SQL, and Pascal. '!=' seems to be more commonly used. What is the ...
- 189
-3votes
3answers
208views
Was there some language(s) in which its logical operators returning a true or false only?
I remember in the past, for some languages which I can't remember, be it Fortran, Pascal, or Scheme, a logical operator 2 || 3 will always return a boolean value. But in the modern languages: ...
- 1,837
