Dataclass examples of common data structures

dataclasses_examples.py

from dataclasses import dataclass

@dataclass
class Teacher:
    name: str
    years_teaching: int
    has_corgi: bool
    courses: list[str]

me = Teacher("Dr. Bart", 6, True, ["CISC108", "CISC320"])
print(me.name)


# Implementing a basic Linked List with dataclasses and strong static typing

@dataclass
class LinkedList:
    pass

# Dummy node at end represents end of list
# Also called a Sentinel
TERMINAL_NODE = LinkedList()

# The actual data nodes
@dataclass
class LinkedNode(LinkedList):
    data: int
    next: LinkedList


# Equivalent to [5, 7, 3]
root = LinkedNode(5, LinkedNode(7, LinkedNode(3, TERMINAL_NODE)))

print(root.data, root.next.data, root.next.next.data)

fancy_linked_list.py

from dataclasses import dataclass