pub trait StratifiedProgram<'p>: Program<'p> {
// Required methods
fn strata(
&'p self,
) -> impl Iterator<Item = &'p HashSet<&'p PredicateSym<'p>>>;
fn pred_to_index(&'p self, sym: &PredicateSym<'_>) -> Option<usize>;
}
Required Methods§
Sourcefn strata(&'p self) -> impl Iterator<Item = &'p HashSet<&'p PredicateSym<'p>>>
fn strata(&'p self) -> impl Iterator<Item = &'p HashSet<&'p PredicateSym<'p>>>
Returns an iterator of strata, in dependency order.
TODO: consider Iterator<Iterator
Sourcefn pred_to_index(&'p self, sym: &PredicateSym<'_>) -> Option<usize>
fn pred_to_index(&'p self, sym: &PredicateSym<'_>) -> Option<usize>
Returns the stratum (index into strata list).
Dyn Compatibility§
This trait is not dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.