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C Language > Learn C Language > Can an array be an lvalue?
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Can an array be an lvalue?

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The answer to this question is no, because an array is composed of several separate array elements that cannot be treated as a whole for assignment purposes. The following statement is therefore illegal: int x, y; x = y; Additionally, you might want to copy the whole array all at once. You can do so...
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The answer to this question is no, because an array is composed of several separate array elements that cannot be treated as a whole for assignment purposes. The following statement is therefore illegal: int x[5], y[5]; x = y; Additionally, you might want to copy the whole array all at once. You can do so using a library function such as the memcpy() function, which is shown here: memcpy(x, y, sizeof(y)); read less
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Experienced faculty in C with data structures and C++ with Data Structures,Linux Admin with Advance linux concepts

When an array is created starting or base address is stored in the array name i.e., array name is reduced to non-modifiable pointer. Therefore we can't overwrite or change address stored in the array name therefore array name can't appear in left side
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Asst Professor

Hi Vinodha, L-Value stands for left value L-Value of Expressions refer to a memory locations In any assignment statement L-Value of Expression must be a container(i.e. must have ability to hold the data) Variable is the only container in C programming thus L Value must be any Variable. ...
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Hi Vinodha, L-Value stands for left value L-Value of Expressions refer to a memory locations In any assignment statement L-Value of Expression must be a container(i.e. must have ability to hold the data) Variable is the only container in C programming thus L Value must be any Variable. L Value Cannot be Constant,Function or any of the available data type in C. int main() { int num; 5 = num; //Error return(0); } read less
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International Corporate Trainer For dotnet Core ,Angular 2 ,C ,C++ and LPT Marathi for RBI Banking

LValue is a container or the memory location in which data can be assigned (stored) using assignment statement. Array element can be lvalue ex A=5; here array element at position 1 is lvalue and 5 is rvalue means data value 5 is kept in container A
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Software Professional Trainer with 26+ years of Experience in Software Design and Development

No. Because array contains more than one element. Array element can be lvalue.
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C/C++/SQL/Datastructures/Database/Excel

When you say array, do you mean array name i.e. address, or array element. Yes, array element can be lvalue
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Array elements can be lvalue, but array name itself is rvalue
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Thanks for the question Vinodha, No because array is not an expression it is a collection of similar types of elements. Thanks, Team DishaaPro www.dishaapro.com
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Experienced software professional, interested in teaching

In typical assignment statement, you will have "variable operator value" Here, the variable on the left hand side of the operator is also referred to as operand and must be a variable that can receive and hold the value. It should have pre-allocated memory to do so. If you write a statement where...
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In typical assignment statement, you will have "variable operator value" Here, the variable on the left hand side of the operator is also referred to as operand and must be a variable that can receive and hold the value. It should have pre-allocated memory to do so. If you write a statement where you used some constant or absolute value on the left hand side [for ex., 6=x;], compiler complains that it does not understand where it has to store the value, referring to the constant as lvalue read less
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Experienced software professional, interested in teaching

If you refer the array by just using its name, you are referring to the beginning of the array using its address. If you are using the index along with the array name, you are referring to a specific array element. In first case, Array name can be used as lvalue, if you handle it as a pointer and use...
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If you refer the array by just using its name, you are referring to the beginning of the array using its address. If you are using the index along with the array name, you are referring to a specific array element. In first case, Array name can be used as lvalue, if you handle it as a pointer and use a '*. In second case, there is no issue in using it as lvalue, as long as you follow other rules like array is declared, index is valid and within range. read less
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