codesnips

workflow

rust 
use std::fmt;

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum OrderState {
    Pending,
    Paid,

Type-State Order Lifecycle Machine With Compile-Time Transition Safety in Rust

state-machine enums type-state
by codesnips 3 tabs
yaml 
framework:
    workflows:
        order:
            type: state_machine
            marking_store:
                type: method

Guarding an Order State Transition with Symfony's Workflow Component and a Guard Listener

symfony workflow state-machine
by codesnips 4 tabs
python 
from collections import defaultdict
from dataclasses import dataclass, field
from typing import Callable, Dict, List, Set


class CycleError(Exception):

Topological Task Scheduling With Cycle Detection and Parallel Waves

scheduling topological-sort dag
by codesnips 3 tabs