[#bsl-vector-044-front-0f] = xref:bsl.adoc[bsl]::xref:bsl/vector-044.adoc[vector<ZoneinfoTransition>]::front :relfileprefix: ../../ :mrdocs: `front` overloads == Synopses Declared in `<bslstl_vector.h>` Return a reference providing modifiable access to the first element in this vector. The behavior is undefined unless this vector is not empty. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- xref:bsl/vectorBase-06a.adoc[reference] xref:bsl/vector-044/front-04.adoc[front](); ---- [.small]#xref:bsl/vector-044/front-04.adoc[_» more..._]# Return a reference providing non‐modifiable access to the first element in this vector. The behavior is undefined unless this vector is not empty. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- xref:bsl/vectorBase-06a.adoc[const_reference] xref:bsl/vector-044/front-0b.adoc[front]() const; ---- [.small]#xref:bsl/vector-044/front-0b.adoc[_» more..._]# [.small]#Created with https://www.mrdocs.com[MrDocs]#