:relfileprefix: ../../../
[#boost-urls-pct_string_view-2constructor]

== xref:boost.adoc[pass:[boost]]::xref:boost/urls.adoc[pass:[urls]]::xref:boost/urls/pct_string_view.adoc[pass:[pct_string_view]]::pct_string_view

  


Constructor



=== Synopsis
  

[source,cpp,subs="verbatim,macros,-callouts"]
----
constexpr
xref:boost/urls/pct_string_view/2constructor-00.adoc[pass:[pct_string_view]]() = default;
----

[source,cpp,subs="verbatim,macros,-callouts"]
----
constexpr
xref:boost/urls/pct_string_view/2constructor-07.adoc[pass:[pct_string_view]](xref:boost/urls/pct_string_view.adoc[pct_string_view] const& other) = default;
----

[source,cpp,subs="verbatim,macros,-callouts"]
----
template<
    class String,
    class = void>
xref:boost/urls/pct_string_view/2constructor-0c.adoc[pass:[pct_string_view]](String const& s);
----

[source,cpp,subs="verbatim,macros,-callouts"]
----
xref:boost/urls/pct_string_view/2constructor-0f.adoc[pass:[pct_string_view]](std::nullptr_t) = delete;
----

[source,cpp,subs="verbatim,macros,-callouts"]
----
xref:boost/urls/pct_string_view/2constructor-06.adoc[pass:[pct_string_view]](
    char const* s,
    std::size_t len);
----

[source,cpp,subs="verbatim,macros,-callouts"]
----
xref:boost/urls/pct_string_view/2constructor-0d.adoc[pass:[pct_string_view]](core::string_view s);
----
  
=== Description


Default constructed string are empty.

=== Constant.

=== Throws nothing.


=== Exceptions

|===
| Name | Thrown on

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

|===


=== Parameters

|===
| Name | Description 

| *s,*
| 
len The string to construct from.

| *s*
| 
The string to construct from.

|===