pub enum Is {
Null,
NotNull,
True,
NotTrue,
False,
NotFalse,
Unknown,
NotUnknown,
}
Expand description
Type of is expression
Variants
Null
NotNull
True
NotTrue
False
NotFalse
Unknown
NotUnknown
Trait Implementations
Auto Trait Implementations
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more