Add stack vs heap code

.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.sln.docstates
+
+# Build results
+
+[Dd]ebug/
+[Rr]elease/
+x64/
+[Bb]in/
+[Oo]bj/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.log
+*.svclog
+*.scc
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.Publish.xml
+*.pubxml
+*.azurePubxml
+
+# NuGet Packages Directory
+## TODO: If you have NuGet Package Restore enabled, uncomment the next line
+packages/
+## TODO: If the tool you use requires repositories.config, also uncomment the next line
+!packages/repositories.config
+
+# Windows Azure Build Output
+csx/
+*.build.csdef
+
+# Windows Store app package directory
+AppPackages/
+
+# Others
+sql/
+*.Cache
+ClientBin/
+[Ss]tyle[Cc]op.*
+![Ss]tyle[Cc]op.targets
+~$*
+*~
+*.dbmdl
+*.[Pp]ublish.xml
+
+*.publishsettings
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file to a newer
+# Visual Studio version. Backup files are not needed, because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+App_Data/*.mdf
+App_Data/*.ldf
+
+# =========================
+# Windows detritus
+# =========================
+
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Mac desktop service store files
+.DS_Store
+
+_NCrunch*

Example1/Program.cs

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+using System;
+
+namespace StackVsHeap1
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            var dateOfBirth = new DateTime(1987, 05, 01);
+            var age = CalculateAge(dateOfBirth);
+
+            Console.WriteLine(age);
+        }
+
+        private static int CalculateAge(DateTime dateOfBirth)
+        {
+            var today = DateTime.Today;
+            var age = today.Year - dateOfBirth.Year;
+
+            if (dateOfBirth.Date > today.AddYears(-age))
+                age--;
+
+            return age;
+        }
+    }
+}
+
+
+

Example1/StackVsHeap1.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <RootNamespace>StackVsHeap1</RootNamespace>
+    <ImplicitUsings>disable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Example2/Program.cs

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+using System;
+
+namespace StackVsHeap2
+{
+    internal class Program
+    {
+        const int MAX_AGE = 99;
+
+        static void Main(string[] args)
+        {
+            var dateOfBirth = new DateTime(1900, 05, 01);
+            var age = CalculateAge(dateOfBirth);
+
+            if (age >= MAX_AGE)
+                Console.WriteLine($"Are you sure you are {age}?");
+            else
+                Console.WriteLine(age);
+        }
+
+        private static int CalculateAge(DateTime dateOfBirth)
+        {
+            var today = DateTime.Today;
+            var age = today.Year - dateOfBirth.Year;
+
+            if (dateOfBirth.Date > today.AddYears(-age))
+                age--;
+
+            return age;
+        }
+    }
+}
+
+
+

Example2/StackVsHeap2.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <RootNamespace>StackVsHeap2</RootNamespace>
+    <ImplicitUsings>disable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Example3/Program.cs

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+using System;
+
+namespace StackVsHeap3
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            var maxAge = 99;
+            var dateOfBirth = new DateTime(1900, 05, 01);
+            var calculateAge = () =>
+            {
+                var today = DateTime.Today;
+                var age = today.Year - dateOfBirth.Year;
+
+                if (dateOfBirth.Date > today.AddYears(-age))
+                    age--;
+
+                return age;
+            };
+
+            var age = calculateAge();
+
+            if (age >= maxAge)
+                Console.WriteLine($"Are you sure you are {age}?");
+            else
+                Console.WriteLine(age);
+        }
+
+    }
+}
+
+
+

Example3/StackVsHeap3.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <RootNamespace>StackVsHeap3</RootNamespace>
+    <ImplicitUsings>disable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Example4/Program.cs

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+using System;
+using System.Threading.Tasks;
+
+namespace StackVsHeap4
+{
+    internal class Program
+    {
+        static async Task Main(string[] args)
+        {
+            var dateOfBirth = new DateTime(1900, 05, 01);
+            var ageTask = CalculateAge(dateOfBirth);
+            var otherTask = DoSomethingElse();
+
+            await Task.WhenAll(ageTask, otherTask);
+
+            var age = ageTask.Result;
+
+            Console.WriteLine(age);
+        }
+
+        private static async Task<int> CalculateAge(DateTime dateOfBirth)
+        {
+            var today = DateTime.Today;
+            var age = today.Year - dateOfBirth.Year;
+
+            await Task.Delay(1000); // Pretending to do work
+
+            if (dateOfBirth.Date > today.AddYears(-age))
+                age--;
+
+            return age;
+        }
+
+
+        private static async Task DoSomethingElse()
+        {
+            Console.WriteLine("Doing some other work");
+            await Task.Delay(2000); // Pretending to do work
+        }
+    }
+}
+
+
+

Example4/StackVsHeap4.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <RootNamespace>StackVsHeap4</RootNamespace>
+    <ImplicitUsings>disable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

README.md

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 # stack-vs-heap
 
-The code from my YouTube video for Stack vs Heap
+> [!NOTE]  
+> [This repository](https://code.alexhyett.com/alexhyett/stack-vs-heap) is also mirrored on [Codeberg.org](https://codeberg.org/alexhyett/stack-vs-heap) if you want to raise an issue.
+
+The code from my YouTube video for [Stack vs Heap](https://youtu.be/5OJRqkYbK-4)