[#boost-urls-pct_string_view-2constructor-0c]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/pct_string_view.adoc[pct_string_view]::pct_string_view
:relfileprefix: ../../../
:mrdocs:


Constructor

== Synopsis


Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/pct_string_view.hpp#L153[boost/url/pct_string_view.hpp]>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<std::convertible_to<core::string_view> String>
requires std::is_convertible<
                String,
                core::string_view
                    >::value
constexpr
pct_string_view(String const& s);
----

== Description


The newly constructed string references        the specified character buffer.        Ownership is not transferred.


=== Postconditions

[,cpp]
----
this->data() == core::string_view(s).data()
----

=== Complexity

Linear in `core::string_view(s).size()`.


=== Exception Safety

Exceptions thrown on invalid input.



== Exceptions


|===
| Name | Thrown on

| `system_error`
| The string contains an invalid percent encoding.


|===

== Template Parameters


|===
| Name | Description

| *String*
| A type convertible to `core::string_view`


|===

== Parameters


|===
| Name | Description

| *s*
| The string to construct from.


|===



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