Set the host to an address
Synopsis
Declared in <boost/url/url_base.hpp>
url_base&
set_host_ipv4(ipv4_address const& addr);Description
The host is set to the specified IPv4 address. The host type is host_type::ipv4.
Example
assert( url("http://www.example.com").set_host_ipv4( ipv4_address( "127.0.0.1" ) ).buffer() == "http://127.0.0.1" );Complexity
Linear in this‐>size().
Postconditions
this->has_authority() == true && this->host_ipv4_address() == addr && this->host_type() == host_type::ipv4Exception Safety
Strong guarantee. Calls to allocate may throw.
BNF
IPv4address = dec-octet "." dec-octet "." dec-octet "." dec-octet
dec-octet   = DIGIT                 ; 0-9
            / %x31-39 DIGIT         ; 10-99
            / "1" 2DIGIT            ; 100-199
            / "2" %x30-34 DIGIT     ; 200-249
            / "25" %x30-35          ; 250-255Specification
Return Value
*this
Parameters
| Name | Description | 
| addr | The address to set. |