Trait IsErrOr 

pub trait IsErrOr<T> {
    // Required method
    fn is_err_or<F: FnOnce(T) -> bool>(self, f: F) -> bool;
}

Required Methods

fn is_err_or<F: FnOnce(T) -> bool>(self, f: F) -> bool

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.

Implementors

impl<T, E> IsErrOr<T> for Result<T, E>