[#util-Expected-0b-has_value] = xref:util.adoc[util]::xref:util/Expected-0b.adoc[Expected]::has_value :relfileprefix: ../../ :mrdocs: Test whether a result value is held. == Synopsis Declared in `<util/expected.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- constexpr bool has_value() const noexcept; ---- == Return Value true if a result value is stored, false if an error is stored. [.small]#Created with https://www.mrdocs.com[MrDocs]#