Struct CoverageGuided 

pub struct CoverageGuided { /* private fields */ }

Prefers expressions that have not yet been exercised; tracks (nonterminal, index) coverage.

Suited for generating data that fully explores all options of the grammar.

Implementations

impl CoverageGuided

pub fn new() -> Self

Create a new coverage-guided strategy with no coverage yet.

pub fn from_seed(seed: [u8; 32]) -> Self

Create a strategy seeded from the given seed for reproducible generation.

Trait Implementations

impl Debug for CoverageGuided

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

Formats the value using the given formatter.

impl Default for CoverageGuided

fn default() -> Self

Returns the “default value” for a type.

impl GenerationStrategy for CoverageGuided

fn choose<'p>( &mut self, production: &'p Production, _depth: usize, ) -> Option<&'p Expression>

Choose one of the production’s RHS alternatives.