Replace params

Synopsis

Declared in <boost/url/params_encoded_ref.hpp>

template<class FwdIt>
iterator
replace(
    iterator from,
    iterator to,
    FwdIt first,
    FwdIt last);

Description

This function replaces a range of params with a range of params.

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

Note
 The strings referenced by the inputs must not come from the underlying url, or else the behavior is undefined.

Mandates

std::is_convertible< std::iterator_traits< FwdIt >::reference_type, param_pct_view >::value == true

Complexity

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

Exception Safety

Strong guarantee. Calls to allocate may throw. Exceptions thrown on invalid input.

Exceptions

Name

Thrown on

system_error

The range contains an invalid percent‐encoding.

Return Value

  • An iterator to the first element inserted, or one past to if first == last.

  • An iterator to the first element inserted, or one past to if first == last.

Parameters

Name

Description

from

The first element to replace.

to

One past the last element to replace.

first

The first element to insert.

last

One past the last element to insert.

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