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A list of parameters in an HTTP extension field value.
        Defined in header <boost/beast/http/rfc7230.hpp>
      
class param_list
| Name | Description | 
|---|---|
| A constant iterator to the list. | |
| The type of each element in the list. | 
| Name | Description | 
|---|---|
| Return a const iterator to the beginning of the list. | |
| Return a const iterator to the beginning of the list. | |
| Return a const iterator to the end of the list. | |
| Return a const iterator to the end of the list. | |
| param_list [constructor] | 
                  Default constructor.  | 
This container allows iteration of the parameter list in an HTTP extension. The parameter list is a series of name/value pairs with each pair starting with a semicolon. The value is optional. If a parsing error is encountered while iterating the string, the behavior of the container will be as if a string containing only characters up to but excluding the first invalid character was used to construct the list.
param-list = *( OWS ";" OWS param ) param = token OWS [ "=" OWS ( token / quoted-string ) ]
        To use this class, construct with the string to be parsed and then use begin
        and end, or range-for to iterate each
        item:
      
for(auto const& param : param_list{";level=9;no_context_takeover;bits=15"}) { std::cout << ";" << param.first; if(! param.second.empty()) std::cout << "=" << param.second; std::cout << "\n"; }