formatting

Combinator-based type-safe formatting (like printf() or FORMAT)

Version on this page:6.2.5
LTS Haskell 24.0:7.2.0
Stackage Nightly 2025-07-14:7.2.0
Latest on Hackage:7.2.0

See all snapshots formatting appears in

BSD-3-Clause licensed by Chris Done, Shachaf Ben-Kiki, Martijn van Steenbergen, Mike Meyer
Maintained by [email protected]
This version can be pinned in stack with:formatting-6.2.5@sha256:0ce4a2c31572084ba1f009340c51eaac03a3d66b7b60855f80f153fa611f692a,1348

Module documentation for 6.2.5

Combinator-based type-safe formatting (like printf() or FORMAT), modelled from the HoleyMonoids package.

Changes

6.2.5

  • Changed microseconds to display as “us” to avoid unicode issues.

6.2.1

  • Added bytesDecimal

6.2.0

  • Dropped Holey/HoleyT in favour of simpler Format type.
  • Added Monoid instance.
  • Added back Category instance.
  • Dropped Functor instance.

6.1.1

  • Add support for GHC 7.10 (time update).

6.1.0

  • Add formatter for TimeSpec.

6.0.0

  • Changed the type of Format. Now you write Format r (a -> r) instead of Format a.
  • Add formatToString function.