:relfileprefix: ../../../
[#boost-urls-pct_string_view-2constructor-06]

= 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

Declared in header `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/pct_string_view.hpp#L210[boost/url/pct_string_view.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
pct_string_view(
    char const* s,
    xref:std.adoc[std]::size_t len);
----

== Description


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

=== Postconditions
[,cpp]
----
this->data() == s && this->size() == len
----

=== Complexity

Linear in `len`.

=== Exception Safety

Exceptions thrown on invalid input.



== Exceptions

|===
| Name | Thrown on

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

|===



== Parameters

|===
| Name | Description 

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

|===