Anonymous function: Difference between revisions

Revision as of 19:18, 22 June 2023

Revision as of 23:04, 22 June 2023

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Since [[C++17]], a lambda can be declared <code>[[constexpr]]</code>, and since [[C++20]], <code>[[consteval]]</code> with the usual semantics. These specifiers go after the parameter list, like <code>mutable</code>. Starting from [[C++23]], the lambda can also be <code>[[static member function|static]]</code> if it has no captures. The <code>static</code> and <code>mutable</code> specifiers are not allowed to be combined and doing so would not be of any use anyway.

Also since C++23 a lambda expression can be recursive through explicit <code>this</code> as first parameter: