#[non_exhaustive]
pub enum FcntlArg<'a> {
F_DUPFD(RawFd),
F_DUPFD_CLOEXEC(RawFd),
F_GETFD,
F_SETFD(FdFlag),
F_GETFL,
F_SETFL(OFlag),
F_SETLK(&'a flock),
F_SETLKW(&'a flock),
F_GETLK(&'a mut flock),
}
Available on crate feature fs
only.
This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
Formats the value using the given formatter.
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This method tests for self
and other
values to be equal, and is used
by ==
.
This method tests for !=
. The default implementation is almost always
sufficient, and should not be overridden without very good reason.
Immutably borrows from an owned value.
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Mutably borrows from an owned value.
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Returns the argument unchanged.
Calls U::from(self)
.
That is, this conversion is whatever the implementation of
From<T> for U
chooses to do.
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.