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url_base::set_params

Set the query params.

Synopsis
url_base&
set_params(
    std::initializer_list< param_view > ps);
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( [link url.ref.boost__urls__url_base.url `url`]( "http://example.com" ).[link url.ref.boost__urls__url_base.set_params `set_params`]( { "id" , "42" } ).[link url.ref.boost__urls__url_base.query `query`]() == "id=42" );
Postconditions
this->[link url.ref.boost__urls__url_base.has_query `has_query`]() == true
Exception Safety

Strong guarantee. Calls to allocate may throw.

Complexity

Linear.

Parameters

Name

Description

ps

The params to set.

BNF
[link url.ref.boost__urls__url_base.query `query`]           = *( pchar / "/" / "?" )

[link url.ref.boost__urls__url_base.query `query`]-param     = key [ "=" value ]
[link url.ref.boost__urls__url_base.query `query`]-[link url.ref.boost__urls__url_base.params `params`]    = [ [link url.ref.boost__urls__url_base.query `query`]-param ] *( "&" [link url.ref.boost__urls__url_base.query `query`]-param )
Specification
See Also

encoded_params, remove_query, set_encoded_query, set_query.


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