Enum MutationOperator 

pub enum MutationOperator {
    Aor,
    Ror,
    Lor,
    Uoi,
    Abs,
    Sdl,
    Svr,
    Bsr,
}

Mutation operators from the standard catalog

Variants

Aor

Arithmetic Operator Replacement a + b → a - b, a * b, a / b, a % b

Ror

Relational Operator Replacement a < b → a <= b, a > b, a >= b, a == b, a != b

Lor

Logical Operator Replacement a and b → a or b

Uoi

Unary Operator Insertion x → -x, not x

Abs

Absolute Value Insertion x → abs(x)

Sdl

Statement Deletion Delete a statement from the program

Svr

Scalar Variable Replacement x → y (where y has the same type)

Bsr

Boundary Substitution Replacement 0 → -1, "" → " ", [] → [None]

Implementations

impl MutationOperator

pub fn all() -> Vec<Self>

Get all mutation operators

pub fn ast_transform_operators() -> Vec<Self>

Get operators recommended for ASTTransform bugs (P0 priority)

From spec: ASTTransform bugs are 40-62% of defects

pub fn ownership_operators() -> Vec<Self>

Get operators recommended for OwnershipBorrow bugs (P1 priority)

From spec: OwnershipBorrow bugs are 15-20% of defects

pub fn description(&self) -> &'static str

Get description of the operator

Trait Implementations

impl Clone for MutationOperator

fn clone(&self) -> MutationOperator

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MutationOperator

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

Formats the value using the given formatter.

impl Display for MutationOperator

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

Formats the value using the given formatter.

impl Hash for MutationOperator

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for MutationOperator

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for MutationOperator

impl Eq for MutationOperator

impl StructuralPartialEq for MutationOperator