Struct subst::NoSubstitution
source · pub struct NoSubstitution;
Expand description
A “map” that never returns any values.
Trait Implementations§
source§impl Debug for NoSubstitution
impl Debug for NoSubstitution
source§impl<'a> VariableMap<'a> for NoSubstitution
impl<'a> VariableMap<'a> for NoSubstitution
Auto Trait Implementations§
impl RefUnwindSafe for NoSubstitution
impl Send for NoSubstitution
impl Sync for NoSubstitution
impl Unpin for NoSubstitution
impl UnwindSafe for NoSubstitution
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more