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


Constructor

== Synopsis


Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/decode_view.hpp#L161[boost/url/decode_view.hpp]>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
xref:boost/urls/decode_view/2constructor-07.adoc[decode_view]() noexcept = default;
----

[.small]#xref:boost/urls/decode_view/2constructor-07.adoc[_» more..._]#

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
explicit
xref:boost/urls/decode_view/2constructor-03.adoc[decode_view](
    xref:boost/urls/pct_string_view.adoc[pct_string_view] s,
    xref:boost/urls/encoding_opts.adoc[encoding_opts] opt = {}) noexcept;
----

[.small]#xref:boost/urls/decode_view/2constructor-03.adoc[_» more..._]#

== Description


Default‐constructed views represent        empty strings.


=== Example

[,cpp]
----
decode_view ds;
----

=== Postconditions

[,cpp]
----
this->empty() == true
----

=== Complexity

Constant.


=== Exception Safety

Throws nothing.



== Parameters


|===
| Name | Description

| *s*
| A percent‐encoded string that has        already been validated. Implicit conversion        from other string types is supported but        may throw exceptions.


| *opt*
| The options for decoding. If        this parameter is omitted, the default        options are used.


|===



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