Tags » rust
randline: get a random selection of lines in a file using reservoir sampling
I wrote a tiny Rust tool to get random samples in a memory-efficient way, and I learnt a lot while doing it.
How I test Rust command-line apps with
assert_cmdSome practical examples of how this handy crate lets me write clear, readable tests.
TIL: Use
std::io::IsTerminalto detect if you’re running in the terminal in RustThis allows me to suppress ANSI escape codes if the output is going somewhere other than the terminal.
TIL: Get a Palette colour as a command-line argument with Clap
Wrapping a
Palette:Srgbin a struct and implementingFromStrfor the struct allows you to take hexadecimal colours as command-line inputs.My (tiny) contribution to Rust 1.64
A suggestion for a better error message to help people who work in multiple languages.
TIL: How to use hex colours with the palette crate
You can use
Srgb::from_str()to parse a hexadecimal string as a colour in the palette crate.Running a Rust binary in Glitch
Using different targets to build Rust binaries that will run in Glitch.
Creating coloured bookshelf graphics in Rust
Explaining some code that draws coloured rectangles in a way that looks a bit like an upside-down bookshelf.
The ever-improving error messages of Rust
An improvement to Rust’s error handling that I almost reported, until I realised it was fixed.
Backing up full-page archives from Pinboard
A Rust utility for saving local copies of my full-page archives from Pinboard.