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This is the documentation for a snapshot of the master branch, built from commit e70692e4d8.
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params_encoded_ref::unset

Remove the value on an element.

Synopsis
iterator
unset(
    iterator pos);
Description

This function removes the value of an element at the specified position. After the call returns, has_value for the element will be false.

All iterators that are equal to pos or come after are invalidated.

Example
url u( "?first=John&last=Doe" );

u.encoded_params().unset( u.encoded_params().begin() );

assert( u.encoded_query() == "first&last=Doe" );
Complexity

Linear in this->url().encoded_query().size().

Exception Safety

Throws nothing.

Return Value

An iterator to the element.

Parameters

Name

Description

pos

An iterator to the element.


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