Code Explainers

Code explainers tagged #command-pattern

php 
final class FormEditorHistory
{
    private SplStack $undoStack;
    private SplStack $redoStack;

Undo/redo with two stacks in PHP

undo-redo stack state-management
Intermediate 9 steps
python 
import argparse
import sys
from pathlib import Path
 

Building a subcommand CLI with argparse

cli argparse subcommands
Intermediate 6 steps