lvalue

English

Etymology

From L +‎ value, where L stands for left-hand side (of an assignment). In the context of the C programming language it is sometimes re-explained as locator value.

Pronunciation

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• IPA^(key): /ˈɛl.væl.juː/
• Hyphenation: l‧val‧ue

Noun

lvalue (plural lvalues)

1. (programming) A value that can be treated as an address or storage location.

   Antonym: rvalue

   Hypernym: rvalue

   • 2010 March 12, William M. Miller, “A Taxonomy of Expression Value Categories”, in C++ Standards Committee Papers‎^[1], page 1:

     Clarified that rvalue references to function types produce non-rref lvalues (previously stated in the general wording in 5¶6 but inadvertently contradicted in the detailed wording of 5.2.2, 5.2.9, etc.).

   • 2010 April, Bjarne Stroustrup, “"New" Value Terminology”, in stroustrup.com‎^[2], pages 2, 3:

     im: has identity and can be moved from (e.g. the result of casting an lvalue to a rvalue reference) […] These notions simply don’t exist in Strachey’s world consisting of just rvalues and lvalues.

Related terms

• prvalue
• xvalue

Anagrams

• Uvalle, Luvale