pub trait FailExt: Fail {
// Required method
fn first_cause_of<T: Fail>(&self) -> Option<&T>;
}Required Methods§
fn first_cause_of<T: Fail>(&self) -> Option<&T>
Dyn Compatibility§
This trait is not dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.