pub struct NullOutput;
Expand description
Like /dev/null
Trait Implementations§
source§impl Debug for NullOutput
impl Debug for NullOutput
source§impl FileDescriptor for NullOutput
impl FileDescriptor for NullOutput
fn name(&self) -> &'static str
fn write<'tcx>( &self, _communicate_allowed: bool, bytes: &[u8], _tcx: TyCtxt<'tcx> ) -> InterpResult<'tcx, Result<usize>>
source§fn dup(&mut self) -> Result<Box<dyn FileDescriptor>>
fn dup(&mut self) -> Result<Box<dyn FileDescriptor>>
Return a new file descriptor that refers to the same underlying object.
fn read<'tcx>( &mut self, _communicate_allowed: bool, _bytes: &mut [u8], _tcx: TyCtxt<'tcx> ) -> InterpResult<'tcx, Result<usize>>
fn seek<'tcx>( &mut self, _communicate_allowed: bool, _offset: SeekFrom ) -> InterpResult<'tcx, Result<u64>>
fn close<'tcx>( self: Box<Self>, _communicate_allowed: bool ) -> InterpResult<'tcx, Result<i32>>
fn is_tty(&self, _communicate_allowed: bool) -> bool
Auto Trait Implementations§
impl Freeze for NullOutput
impl RefUnwindSafe for NullOutput
impl Send for NullOutput
impl Sync for NullOutput
impl Unpin for NullOutput
impl UnwindSafe for NullOutput
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
Layout§
Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...)
attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.
Size: 0 bytes