Trait AnnotationFn 

pub trait AnnotationFn<N = BoundExpression>: Fn(&N) -> Vec<Self::Annotation> {
    type Annotation: Annotation;
}

Computes annotations for an expression node, defaulting to bound expressions.

Required Associated Types

type Annotation: Annotation

The annotation attached to a node.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl<N, A, F> AnnotationFn<N> for F

where A: Annotation, F: Fn(&N) -> Vec<A>,

type Annotation = A