Struct proc_macro::ExpandError
source · #[non_exhaustive]pub struct ExpandError;
🔬This is a nightly-only experimental API. (
proc_macro_expand
#90765)Expand description
Error returned from TokenStream::expand_expr
.
Trait Implementations
sourceimpl Debug for ExpandError
impl Debug for ExpandError
sourceimpl Display for ExpandError
impl Display for ExpandError
sourceimpl Error for ExpandError
impl Error for ExpandError
1.30.0 · sourcefn source(&self) -> Option<&(dyn Error + 'static)>
fn source(&self) -> Option<&(dyn Error + 'static)>
The lower-level source of this error, if any. Read more
1.0.0 · sourcefn description(&self) -> &str
fn description(&self) -> &str
👎Deprecated since 1.42.0: use the Display impl or to_string()
impl !Send for ExpandError
impl !Sync for ExpandError
Auto Trait Implementations
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
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