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Using the "put an image in an issue and link to it on the README" trick to keep the Ziglings repo size down.
166 lines
4.2 KiB
Markdown
166 lines
4.2 KiB
Markdown
# Ziglings
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Welcome to Ziglings! This project contains a series of tiny broken programs.
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By fixing them, you'll learn how to read and write
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[Zig](https://ziglang.org/)
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code.
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Those tiny broken programs need your help! (You'll also save the planet from
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evil aliens and help some friendly elephants stick together, which is very
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sweet of you.)
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This project was directly inspired by the brilliant and fun
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[rustlings](https://github.com/rust-lang/rustlings)
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project for the [Rust](https://www.rust-lang.org/) language.
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Indirect inspiration comes from [Ruby Koans]( http://rubykoans.com/)
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and the Little LISPer/Little Schemer series of books.
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## Intended Audience
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This will probably be difficult if you've _never_ programmed before.
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But no specific programming experience is required. And in particular,
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you are _not_ expected to have any prior experience with "systems programming"
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or a "systems" level language such as C.
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Each exercise is self-contained and self-explained. However, you're encouraged
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to also check out these Zig language resources for more detail:
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* https://ziglearn.org/
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* https://ziglang.org/documentation/master/
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## Getting Started
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Install a [development build](https://ziglang.org/download/) of the Zig compiler.
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(See the "master" section of the downloads page.)
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Verify the installation and build number of `zig` like so:
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```bash
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$ zig version
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0.8.0-dev.1065+xxxxxxxxx
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```
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Clone this repository with Git:
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```bash
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$ git clone https://github.com/ratfactor/ziglings
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$ cd ziglings
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```
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Then run `zig build` and follow the instructions to begin!
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```bash
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$ zig build
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```
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## A Note About Versions
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The Zig language is under very active development. In order to be current,
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Ziglings tracks **development** builds of the Zig compiler rather than
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versioned **release** builds. The last stable release was `0.7.1`, but Ziglings
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needs a dev build with pre-release version "0.8.0" and a build number at least
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as high as that shown in the example version check above.
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It is likely that you'll download a build which is _greater_ than the minimum.
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Once you have a build of the Zig compiler that works with Ziglings, they'll
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continue to work together. But keep in mind that if you update one, you may
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need to also update the other.
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## Advanced Usage
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It can be handy to check just a single exercise or _start_ from a single
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exercise:
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```bash
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zig build 19
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zig build 19_start
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```
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You can also run without checking for correctness:
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```bash
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zig build 01_test
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```
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Or skip the build system entirely and interact directly with the compiler
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if you're into that sort of thing:
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```bash
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zig run exercises/01_hello.zig
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```
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Calling all wizards: To prepare an executable for debugging, install it
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to zig-cache/bin with:
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```bash
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zig build 01_install
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```
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## TODO
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Contributions are very welcome! I'm writing this to teach myself and to create
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the learning resource I wished for. There will be tons of room for improvement:
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* Wording of explanations
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* Idiomatic usage of Zig
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* Additional exercises
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Planned exercises:
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* [x] Hello world (main needs to be public)
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* [x] Importing standard library
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* [x] Assignment
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* [x] Arrays
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* [x] Strings
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* [x] If
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* [x] While
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* [x] For
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* [x] Functions
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* [x] Errors (error/try/catch/if-else-err)
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* [x] Defer (and errdefer)
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* [x] Switch
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* [x] Unreachable
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* [x] Enums
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* [x] Structs
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* [x] Pointers
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* [x] Optionals
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* [ ] Struct methods
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* [ ] Slices
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* [ ] Multi pointers
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* [ ] Unions
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* [ ] Numeric types (integers, floats)
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* [ ] Labelled blocks and loops
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* [ ] Loops as expressions
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* [ ] Comptime
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* [ ] Inline loops (how to DEMO this?)
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* [ ] Anonymous structs
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* [ ] Sentinel termination
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* [ ] Vectors
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* [ ] Imports
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* [ ] Allocators
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* [ ] Arraylist
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* [ ] Filesystem
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* [ ] Readers and Writers
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* [ ] Formatting
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* [ ] JSON
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* [ ] Random Numbers
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* [ ] Crypto
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* [ ] Threads
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* [ ] Hash Maps
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* [ ] Stacks
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* [ ] Sorting
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* [ ] Iterators
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* [ ] Formatting specifiers
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* [ ] Advanced Formatting
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* [ ] Suspend / Resume
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* [ ] Async / Await
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* [ ] Nosuspend
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* [ ] Async Frames, Suspend Blocks
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The initial topics for these exercises were unabashedly cribbed from
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[ziglearn.org](https://ziglearn.org/). I've since moved things around
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in an order that I think best lets each topic build upon each other.
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