Struct ReductionStep 

pub struct ReductionStep {
    pub before: Expr,
    pub after: Expr,
    pub rule: String,
}

A single step in a reduction trace.

Fields

before: Expr

The expression before this step.

after: Expr

The expression after this step.

rule: String

The rule applied (human-readable description).

Trait Implementations

impl Clone for ReductionStep

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ReductionStep

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.