Enum MutationDecision 

pub enum MutationDecision {
    Mutate {
        break_even: u32,
    },
    Preserve {
        break_even: u32,
    },
}

Decision outcome for a frozen-region mutation.

Variants

Mutate

The compression saving exceeds the cache-bust cost.

Fields

break_even: u32

Preserve

The cache-bust cost exceeds the compression saving; preserve the prefix.

Fields

break_even: u32

Trait Implementations

impl Clone for MutationDecision

fn clone(&self) -> MutationDecision

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for MutationDecision

impl Debug for MutationDecision

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

Formats the value using the given formatter.

impl PartialEq for MutationDecision

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for MutationDecision