Struct DeclDependencies 

pub struct DeclDependencies { /* private fields */ }

Tracks the dependency graph between declarations.

Implementations

impl DeclDependencies

pub fn new(n: usize) -> Self

Creates a dependency table for n declarations.

pub fn add(&mut self, dependent: usize, dependency: usize)

Adds a dependency: dependent depends on dependency.

pub fn deps_of(&self, idx: usize) -> &HashSet<usize>

Returns the dependencies of idx.

pub fn directly_depends(&self, dependent: usize, dependency: usize) -> bool

Returns true if dependent directly depends on dependency.

pub fn total_edges(&self) -> usize

Returns the total number of dependency edges.