kr/pretty

Health v2 · maintenance only

Flags: no_releases no_readme

Adoption not part of the score

1410 stars · 160 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A small Go library that provides pretty-printing for Go values, including a fmt-compatible Formatter and convenience wrappers around fmt and log. It also offers Diff functions that produce human-readable descriptions of differences between two values.

Use cases

• pretty-print Go structs for debugging
• print long nested data structures without line wrapping
• diff two Go values in tests
• format values with fmt.Printf using %# v
• log complex values readably

When to choose

• you need readable multi-line output of nested Go values during debugging
• you want simple value diffs in Go tests
• you want a tiny, widely imported, MIT-licensed dependency

When to avoid

• you need JSON or structured machine-readable output
• you need actively developed features or modern formatting alternatives
• you only need simple fmt printing of flat values

Facets

library · maturity maintenance

developer-tools logging testing developer-tools testing go cross-platform pretty-printing debugging diff fmt-formatter command-line

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