C Assignment Operator

C Assignment Operator-38
If this question was about C , you could for example ask Bjarne Stroustrup and ask him, what had went into him.Since this is not the case, this seems to me to be kind of a dead end, because the standard has been written quite some time ago and you cannot really ask people anymore, why the h***.An operator's precedence is unaffected by overloading.

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We use the assignment operators to assign the result of an expression to a variable.

In the following example we are assigning integer value 10 to a variable score of data type integer.

In BCPL, B and early C, the operators Moreover, in C (and later versions of C) equality operations, with the exception of the three-way comparison operator, yield bool type values which are conceptually a single bit (1 or 0) and as such do not properly belong in "bitwise" operations.

C defines These can be used exactly the same way as the punctuation symbols they replace, as they are not the same operator under a different name, but rather simple token replacements for the name (character string) of the respective operator.

Altering the semantics to support this pattern may well be feasible -- until someone relies on I cannot find any particular reason, why the operators don't exist (in C99).

So the only reason I can find is, that there was no boolean type in C89, and those boolean operators were intended to be solely used in is now '1'', which for most people is pretty counter intuitive.All the operators listed exist in C ; the fourth column "Included in C", states whether an operator is also present in C. Most of the operators available in C and C are also available in other languages such as C#, D, Java, Perl, and PHP with the same precedence, associativity, and semantics.The following is a table that lists the precedence and associativity of all the operators in the C and C languages (when the operators also exist in Java, Perl, PHP and many other recent languages, the precedence is the same as that given).but (to my surprise) C does not have logical assignment operators. First, is there a shorter way to write the first statement in standard C (the ternary operator is even worse - is a boolean operator: and in C, a "boolean" is 0 or 1.The operands are implicitly converted to booleans (I have not checked that that's what the spec actually says, but it's how C behaves), and the result is a boolean.This operator obviously doesn't bring any clearence or coding improvement without the boolean type, that would make sence being or'd with another one.In my opinion, the implementation of would be pretty straightforward and has aleardy been implemented by e.g. So you're question seems to be a bit, why C has been designed the way it has been designed.Also, the C Standard Library requires this behavior for some user-supplied types.This is a list of operators in the C and C programming languages. The formatting of these operators means that their precedence level is unimportant.The copy assignment operator, often just called the "assignment operator", is a special case of assignment operator where the source (right-hand side) and destination (left-hand side) are of the same class type.It is one of the special member functions, which means that a default version of it is generated automatically by the compiler if the programmer does not declare one.


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