What is an rvalue?

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Chetan Santha

Professional Tutor with 15 years of experience.

Rvalue was added with the C++11 standard. An lvalue is an expression that refers to a memory location and allows us to take the address of that memory location via the & operator. An rvalue is an expression that is not an lvalue eg : int foobar(); int j = 0; j = foobar(); HERE foobar()...
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Rvalue was added with the C++11 standard. An lvalue is an expression that refers to a memory location and allows us to take the address of that memory location via the & operator. An rvalue is an expression that is not an lvalue eg : int foobar(); int j = 0; j = foobar(); HERE foobar() is an rvalue. read less
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Asst Professor

Hi Mohd, An rvalue is an expression that does not represent an object occupying some identifiable location in memory.rvalue in C don't refer to any objects. Thanks
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Software Professional Trainer with 26+ years of Experience in Software Design and Development

"rvalue" is sometimes used to describe the value of an expression. All lvalues are rvalues but not all rvalues are lvalues.
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Software Engineer

it refers to data value that is stored at some address in memory,it may appear on the right hand side but not on left hand side assignment. ex: int g=20; where g is lvalue and 20 is rvalue
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C developer

Hi Mohd, see the this e.g: i want to assign 3 to a, then i will write this way; a = 2, in this statement the value 2 is called as rvalue. If you write a = b, then b will be called as rvalue and a as lvalue.
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Any expression which is not an lvalue is considered rvalue
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Value at right side of assignment operator.
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Tutor

very C++ expression is either an lvalue or an rvalue. An lvalue refers to an object that persists beyond a single expression. An lvalue is an expression e that may appear on the left or on the right hand side of an assignment, whereas an rvalue is an expression that can only appear on the right hand...
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very C++ expression is either an lvalue or an rvalue. An lvalue refers to an object that persists beyond a single expression. An lvalue is an expression e that may appear on the left or on the right hand side of an assignment, whereas an rvalue is an expression that can only appear on the right hand side of an assignment. read less
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Thanks for the question Mohd..... rvalue is defined as the value of the expression which is always appears on the right side of the expression. Thanks, Team DishaaPro www.dishaapro.com
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C Language Trainer

Rvalue is the value which is on the right side of a mathematical expression.
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