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Remove the value on an element.
iterator unset( iterator pos);
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.
url u( "?first=John&last=Doe" ); u.encoded_params().unset( u.encoded_params().begin() ); assert( u.encoded_query() == "first&last=Doe" );
Linear in this->url().encoded_query().size()
.
Throws nothing.
An iterator to the element.
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Description |
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An iterator to the element. |