Method next

cranelift/codegen/src/ir/layout.rs:389–397

(&mut self)

    type Item = Block;

    fn next(&mut self) -> Option<Block> {
        match self.next {
            Some(block) => {
                self.next = self.layout.next_block(block);
                Some(block)
            }
            None => None,
        }
    }
}

/// Use a layout reference in a for loop.