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§
source§impl Debug for ExpandError
impl Debug for ExpandError
source§impl Display for ExpandError
impl Display for ExpandError
source§impl Error for ExpandError
impl Error for ExpandError
1.30.0 · source§fn 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 · source§fn description(&self) -> &str
fn description(&self) -> &str
👎Deprecated since 1.42.0: use the Display impl or to_string()