[#bsl-basic_string-0f3-npos]
= xref:bsl.adoc[bsl]::xref:bsl/basic_string-0f3.adoc[basic_string<char32_t>]::npos
:relfileprefix: ../../
:mrdocs:

Value used to denote "not‐a‐position", guaranteed to be outside the range `[0 .. max_size()]`.

== Synopsis

Declared in `<bslstl_string.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:bsl/basic_string-0f3/size_type.adoc[size_type] const npos = ~size_type(0);
----


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