[#bsl-basic_string-0faf-2constructor-09e]
= xref:bsl.adoc[bsl]::xref:bsl/basic_string-0faf.adoc[basic_string]::basic_string
:relfileprefix: ../../
:mrdocs:

A string cannot be constructed from a null pointer.

== Synopsis

Declared in `<bslstl_string.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
basic_string(xref:bsl/nullptr_t-08.adoc[bsl::nullptr_t] unused) = delete;
----

== Description

A string cannot be constructed from a `nullptr` or from a literal `0`.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *unused*
| unused; this constructor is deleted
|===


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