:relfileprefix: ../../../
[#1D29EE576F75F55B5F2E430D0788BEB76AD7E818]

= Function pct_string_view::decode

pass:v,q[Return the string with percent-decoding]


== Synopsis

Declared in header `</boost/url/pct_string_view.hpp#L345[boost/url/pct_string_view.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
template<class StringToken = xref:boost/urls/string_token.adoc[string_token]::xref:boost/urls/string_token/return_string.adoc[return_string]>
StringToken::result_type
decode(
    xref:boost/urls/encoding_opts.adoc[encoding_opts] opt = = {},
    StringToken&& token) const;
----

== Description

pass:v,q[This function converts percent escapes] pass:v,q[in the string into ordinary characters]
pass:v,q[and returns the result.]
pass:v,q[When called with no arguments, the]
pass:v,q[return type is `std::string`.]
pass:v,q[Otherwise, the return type and style]
pass:v,q[of output is determined by which string]
pass:v,q[token is passed.]

=== Example
[,cpp]
----
assert( pct_string_view( "Program%20Files" ).decode() == "Program Files" );
----

=== Complexity
pass:v,q[Linear in `this->size()`.]

=== Exception Safety
pass:v,q[Calls to allocate may throw.]
pass:v,q[String tokens may throw exceptions.]



== Return Value

* `result_type` 


== Parameters

|===
| Name | Type 

| *opt*
| `encoding_opts`

| *token*
| ``

|===