boost::urls::url::set_params

Set the query params

Synopsis

Declared in <boost/url/url.hpp>
url&
set_params(
    std::initializer_list<param_view> ps,
    encoding_opts opts = {});


Description

This sets the query params to the list of param_view, which can be empty.

An empty list of params is distinct from having no params.

Reserved characters in the string are percent-escaped in the result.

Example

assert( url( "http://example.com" ).set_params( {"id", "42"} ).query() == "id=42" );

Postconditions

this->has_query() == true

Exception Safety

Strong guarantee. Calls to allocate may throw.

Complexity

Linear.

BNF

query = *( pchar / "/" / "?" ) query-param = key [ "=" value ] query-params = [ query-param ] *( "&" query-param )

Specification

Return Value

*this

Parameters

Name Description
ps The params to set.
opts The options for encoding.

See Also

encoded_params, remove_query, set_encoded_query, set_query.

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