[#BloombergLP-bdlb-Variant7-apply] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/Variant7.adoc[Variant7]::apply :relfileprefix: ../../../ :mrdocs: `apply` overloads == Synopses Declared in `<bdlb_variant.h>` Apply `visitor` to the held value of this modifiable variant. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template<class VISITOR> VISITOR::ResultType xref:BloombergLP/bdlb/VariantImp/apply-0ec.adoc[apply](VISITOR& visitor) requires Variant_ReturnValueHelper<VISITOR>::value == 1; ---- [.small]#xref:BloombergLP/bdlb/VariantImp/apply-0ec.adoc[_» more..._]# Apply `visitor` to the held value and return its result. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template<class VISITOR> VISITOR::ResultType xref:BloombergLP/bdlb/VariantImp/apply-073.adoc[apply](VISITOR& visitor) const requires Variant_ReturnValueHelper<VISITOR>::value == 1; ---- [.small]#xref:BloombergLP/bdlb/VariantImp/apply-073.adoc[_» more..._]# Apply `visitor` to the held value of this modifiable variant. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template<class VISITOR> VISITOR::ResultType xref:BloombergLP/bdlb/VariantImp/apply-034.adoc[apply](VISITOR const& visitor) requires Variant_ReturnValueHelper<VISITOR>::value == 1; ---- [.small]#xref:BloombergLP/bdlb/VariantImp/apply-034.adoc[_» more..._]# Apply `visitor` to the held value and return its result. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template<class VISITOR> VISITOR::ResultType xref:BloombergLP/bdlb/VariantImp/apply-00.adoc[apply](VISITOR const& visitor) const requires Variant_ReturnValueHelper<VISITOR>::value == 1; ---- [.small]#xref:BloombergLP/bdlb/VariantImp/apply-00.adoc[_» more..._]# Apply `visitor` to the held `TYPE` value of this modifiable variant. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template< class RET_TYPE, class VISITOR> RET_TYPE xref:BloombergLP/bdlb/VariantImp/apply-02f.adoc[apply](VISITOR& visitor); ---- [.small]#xref:BloombergLP/bdlb/VariantImp/apply-02f.adoc[_» more..._]# Apply `visitor` to the held value and return `RET_TYPE`. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template< class RET_TYPE, class VISITOR> RET_TYPE xref:BloombergLP/bdlb/VariantImp/apply-0f6.adoc[apply](VISITOR& visitor) const; ---- [.small]#xref:BloombergLP/bdlb/VariantImp/apply-0f6.adoc[_» more..._]# Same as the preceding overload, but for a `const` visitor. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template< class RET_TYPE, class VISITOR> RET_TYPE xref:BloombergLP/bdlb/VariantImp/apply-062.adoc[apply](VISITOR const& visitor); ---- [.small]#xref:BloombergLP/bdlb/VariantImp/apply-062.adoc[_» more..._]# Apply `visitor` to the held value and return `RET_TYPE`. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template< class RET_TYPE, class VISITOR> RET_TYPE xref:BloombergLP/bdlb/VariantImp/apply-0a.adoc[apply](VISITOR const& visitor) const; ---- [.small]#xref:BloombergLP/bdlb/VariantImp/apply-0a.adoc[_» more..._]# Apply `visitor` to the held `TYPE` value of this modifiable variant. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template< class VISITOR, class TYPE> VISITOR::ResultType xref:BloombergLP/bdlb/VariantImp/apply-08.adoc[apply]( VISITOR& visitor, TYPE const& defaultValue) requires Variant_ReturnValueHelper<VISITOR>::value == 1; ---- [.small]#xref:BloombergLP/bdlb/VariantImp/apply-08.adoc[_» more..._]# Apply `visitor` to the held `TYPE` value of this variant. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template< class VISITOR, class TYPE> VISITOR::ResultType xref:BloombergLP/bdlb/VariantImp/apply-0e2.adoc[apply]( VISITOR& visitor, TYPE const& defaultValue) const requires Variant_ReturnValueHelper<VISITOR>::value == 1; ---- [.small]#xref:BloombergLP/bdlb/VariantImp/apply-0e2.adoc[_» more..._]# Apply `visitor` to the held `TYPE` value of this modifiable variant. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template< class VISITOR, class TYPE> VISITOR::ResultType xref:BloombergLP/bdlb/VariantImp/apply-021.adoc[apply]( VISITOR const& visitor, TYPE const& defaultValue) requires Variant_ReturnValueHelper<VISITOR>::value == 1; ---- [.small]#xref:BloombergLP/bdlb/VariantImp/apply-021.adoc[_» more..._]# Apply `visitor` to the held `TYPE` value of this variant. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template< class VISITOR, class TYPE> VISITOR::ResultType xref:BloombergLP/bdlb/VariantImp/apply-075f.adoc[apply]( VISITOR const& visitor, TYPE const& defaultValue) const requires Variant_ReturnValueHelper<VISITOR>::value == 1; ---- [.small]#xref:BloombergLP/bdlb/VariantImp/apply-075f.adoc[_» more..._]# Apply `visitor` to the held `TYPE` value of this modifiable variant. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template< class RET_TYPE, class VISITOR, class TYPE> RET_TYPE xref:BloombergLP/bdlb/VariantImp/apply-028.adoc[apply]( VISITOR& visitor, TYPE const& defaultValue); ---- [.small]#xref:BloombergLP/bdlb/VariantImp/apply-028.adoc[_» more..._]# Apply `visitor` to the held `TYPE` value of this variant. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template< class RET_TYPE, class VISITOR, class TYPE> RET_TYPE xref:BloombergLP/bdlb/VariantImp/apply-0e3.adoc[apply]( VISITOR& visitor, TYPE const& defaultValue) const; ---- [.small]#xref:BloombergLP/bdlb/VariantImp/apply-0e3.adoc[_» more..._]# Same as the preceding overload, but for a `const` visitor. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template< class RET_TYPE, class VISITOR, class TYPE> RET_TYPE xref:BloombergLP/bdlb/VariantImp/apply-0fc.adoc[apply]( VISITOR const& visitor, TYPE const& defaultValue); ---- [.small]#xref:BloombergLP/bdlb/VariantImp/apply-0fc.adoc[_» more..._]# Apply `visitor` to the held `TYPE` value of this variant. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template< class RET_TYPE, class VISITOR, class TYPE> RET_TYPE xref:BloombergLP/bdlb/VariantImp/apply-03c.adoc[apply]( VISITOR const& visitor, TYPE const& defaultValue) const; ---- [.small]#xref:BloombergLP/bdlb/VariantImp/apply-03c.adoc[_» more..._]# == Return Value result of invoking `visitor` on the active alternative == Parameters [cols="1,4"] |=== | Name| Description | *visitor* | callable applied to the active alternative | *defaultValue* | value passed to `visitor` when this variant is unset |=== [.small]#Created with https://www.mrdocs.com[MrDocs]#