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May 14, 2013 at 17:30
Python gotcha of the day: an empty generator is truthy. Grr.

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Aug 4, 2025 at 22:01
2
Playing with optional type signatures in Python, I realise that the return type is the most important to me. I'd much rather have a function with only a return type instead of a function with only parameter types. It's often quick to add too.
Dec 21, 2024 at 04:08
I've released difftastic 0.62! In this release: * Updated parsers for Bash, C, C++, C#, CSS, Go, Haskell, HTML, Java, JavaScript, JSON, Julia, Lua, Objective-C, OCaml, PHP, Python, Ruby, Scala, TOML, TypeScript and XML. * Obligatory crash fixes.
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Release 0.62.0 · Wilfred/difftastic
Release 0.62.0 · Wilfred/difftastic
Difftastic is a structural diff tool that understands syntax. See the manual to get started, and the changelog for historical changes. Diffing Improved handling of multiline strings, which could ca...
Sep 29, 2024 at 03:27
Assertions are a surprisingly nuanced design space. In a test, if I assert `x < y`, I really want to see the values of x and y when it fails. Do you define an API for every possible predicate (Python's assertLess, expect.js) or try to support the native syntax (c.f. pytest)?