Method clear

cranelift/codegen/src/traversals.rs:77–81

Clear this DFS, but keep its allocations for future reuse.

(&mut self)

    /// Clear this DFS, but keep its allocations for future reuse.
    pub fn clear(&mut self) {
        let Dfs { stack, seen } = self;
        stack.clear();
        seen.clear();
    }
}

/// An iterator that yields pairs of `(Event, ir::Block)` items as it performs a