boost::urls::param::param

Constructor

Synopsis

Declared in <include/boost/url/param.hpp>

template<class OptionalString>
param(
    core::string_view key,
    OptionalString const& value);

Description

This constructs a parameter with a key and value.

No validation is performed on the strings. Ownership of the key and value is acquired by making copies.

param qp( "key", "value" );
param qp( "key", optional<core::string_view>("value") );
param qp( "key", boost::none );
param qp( "key", nullptr );
param qp( "key", no_value );
this->key == key && this->value == value && this->has_value == true

Linear in `key.size() + value.size()`.

Calls to allocate may throw.

Template Parameters

Name Description

OptionalString

An optional string type, such as &grave;core&colon;&colon;string&lowbar;view&grave;, &grave;std&colon;&colon;nullptr&grave;, xref:boost/urls/no_value_t.adoc[no&lowbar;value&lowbar;t] , or &grave;optional&lt;core&colon;&colon;string&lowbar;view&gt;&grave;&period;

Parameters

Name Description

key,

value The key and value to set&period;

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