fn system_toposort(&mut self) -> Vec<Box<dyn AbstractBuilder>> {
		let mut result = vec![];

		while !self.sysmap.is_empty() {
			let roots = self.find_roots().into_iter().collect::<Vec<_>>();

			if roots.is_empty() {
				panic!("Cycle detected within dependencies");
			}

			for root in roots {
				if let Some(sys) = self.sysmap.remove(root) {
					result.push(sys);
				} else {
					panic!("Cycle detected with system {} as part of it", root);
				}
			}
		}

		result
	}
/// This runs a Kahn's algorithm for toposort.
///
/// It is probably horrendously inefficient but it is
/// only run once at startup so it most likely doesn't matter.
This runs a Kahn's algorithm for toposort.
It is probably horrendously inefficient but it is
only run once at startup so it most likely doesn't matter.
This runs a Kahn ' s algorithm for toposort . It is probably horrendously inefficient but it is only run once at startup so it most likely doesn ' t matter .
fn system_toposort(&mut self) -> Vec<Box<dyn AbstractBuilder>> {
		let mut result = vec![];
		while !self.sysmap.is_empty() {
			let roots = self.find_roots().into_iter().collect::<Vec<_>>();
			if roots.is_empty() {
				panic!("Cycle detected within dependencies");
			}
			for root in roots {
				if let Some(sys) = self.sysmap.remove(root) {
					result.push(sys);
				} else {
					panic!("Cycle detected with system {} as part of it", root);
				}
			}
		}
		result
	}
fn system_toposort ( & mut self ) -> Vec < Box < dyn AbstractBuilder > > { let mut result = vec ! [ ] ; while ! self . sysmap . is_empty ( ) { let roots = self . find_roots ( ) . into_iter ( ) . collect :: < Vec < _ > > ( ) ; if roots . is_empty ( ) { panic ! ( " " ) ; } for root in roots { if let Some ( sys ) = self . sysmap . remove ( root ) { result . push ( sys ) ; } else { panic ! ( " " root ) ; } } } result }
This runs a Kahn's algorithm for toposort.
This runs a Kahn ' s algorithm for toposort .
&mut self
&mut self