Trait PeekExpected

pub(crate) trait PeekExpected: Peek {
    // Required method
    fn expected(self) -> Expected;
}

Expand description

A subtrait of Peek for rules that have an expected description.

This is used to automatically build error messages of the form:

expected one of `expected1`, `expected2`, ...

where each expected is the description of a peek rule.

Required Methods§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.