Enum Because 

pub enum Because {
    Arranged,
    Expectation(ExpId),
    Story(Span),
}

Why a check is there.

Variants

Arranged

The plan arranged it before the first step.

Expectation(ExpId)

An expectation’s Then (or an invariant) promises it.

Story(Span)

The story says so in a Then.

Trait Implementations

impl Clone for Because

fn clone(&self) -> Because

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Because

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

Formats the value using the given formatter.

impl PartialEq for Because

fn eq(&self, other: &Because) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for Because