[#bsl-map-0af-begin-01]
= xref:bsl.adoc[bsl]::xref:bsl/map-0af.adoc[map<TimeInterval, Node*>]::begin
:relfileprefix: ../../
:mrdocs:

Return an iterator providing non‐modifiable access to the first `value_type` object in the ordered sequence of `value_type` objects maintained by this map, or the `end` iterator if this map is empty.

== Synopsis

Declared in `<bslstl_map.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/map-0af/const_iterator.adoc[const_iterator]
begin() const noexcept;
----


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