Enum rustc_span::ExternalSourceKind
source · pub enum ExternalSourceKind {
Present(Lrc<String>),
AbsentOk,
AbsentErr,
}
Expand description
The state of the lazy external source loading mechanism of a SourceFile
.
Variants§
Present(Lrc<String>)
The external source has been loaded already.
AbsentOk
No attempt has been made to load the external source.
AbsentErr
A failed attempt has been made to load the external source.
Trait Implementations§
source§impl Clone for ExternalSourceKind
impl Clone for ExternalSourceKind
source§fn clone(&self) -> ExternalSourceKind
fn clone(&self) -> ExternalSourceKind
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for ExternalSourceKind
impl Debug for ExternalSourceKind
source§impl PartialEq<ExternalSourceKind> for ExternalSourceKind
impl PartialEq<ExternalSourceKind> for ExternalSourceKind
source§fn eq(&self, other: &ExternalSourceKind) -> bool
fn eq(&self, other: &ExternalSourceKind) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.impl Eq for ExternalSourceKind
impl StructuralEq for ExternalSourceKind
impl StructuralPartialEq for ExternalSourceKind
Auto Trait Implementations§
impl RefUnwindSafe for ExternalSourceKind
impl !Send for ExternalSourceKind
impl !Sync for ExternalSourceKind
impl Unpin for ExternalSourceKind
impl UnwindSafe for ExternalSourceKind
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: 16 bytes
Size for each variant:
Present
: 8 bytesAbsentOk
: 0 bytesAbsentErr
: 0 bytes