pub enum RegistryUsage {
Normal,
Reserved,
}
DNS Registries/Registrars:
How should DNS Registries/Registrars treat requests to register
this reserved domain name? Should such requests be denied?
Should such requests be allowed, but only to a specially-
designated entity? (For example, the name "www.example.org" is
reserved for documentation examples and is not available for
registration; however, the name is in fact registered; and there
is even a web site at that name, which states circularly that the
name is reserved for use in documentation and cannot be
registered!)
DNS Registries/Registrars MUST NOT grant requests to register
test names in the normal way to any person or entity. Test names
are reserved for use in private networks and fall outside the set
of names available for allocation by registries/registrars.
Attempting to allocate a test name as if it were a normal DNS
domain name will probably not work as desired, for reasons 4, 5,
and 6 above.
DNS Registries/Registrars MUST NOT grant requests to register
localhost names in the normal way to any person or entity.
Localhost names are defined by protocol specification and fall
outside the set of names available for allocation by registries/
registrars. Attempting to allocate a localhost name as if it
were a normal DNS domain name will probably not work as desired,
for reasons 2, 3, 4, and 5 above.
DNS Registries/Registrars MUST NOT grant requests to register
"invalid" names in the normal way to any person or entity. These
"invalid" names are defined by protocol specification to be
nonexistent, and they fall outside the set of names available for
allocation by registries/registrars. Attempting to allocate a
"invalid" name as if it were a normal DNS domain name will
probably not work as desired, for reasons 2, 3, 4, and 5 above.
DNS Registries/Registrars MUST NOT grant requests to register
example names in the normal way to any person or entity. All
example names are registered in perpetuity to IANA:
Performs copy-assignment from source
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This method tests for self
and other
values to be equal, and is used by ==
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This method tests for !=
.
Creates owned data from borrowed data, usually by cloning. Read more
🔬 This is a nightly-only experimental API. (toowned_clone_into
)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more
🔬 This is a nightly-only experimental API. (try_from
)
The type returned in the event of a conversion error.
🔬 This is a nightly-only experimental API. (try_from
)
Immutably borrows from an owned value. Read more
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static
Mutably borrows from an owned value. Read more
🔬 This is a nightly-only experimental API. (try_from
)
The type returned in the event of a conversion error.
🔬 This is a nightly-only experimental API. (try_from
)