map-syntax

Syntax sugar for defining maps

Version on this page:0.2.0.1
LTS Haskell 24.28:0.3@rev:10
Stackage Nightly 2026-01-17:0.3@rev:10
Latest on Hackage:0.3@rev:10

See all snapshots map-syntax appears in

BSD-3-Clause licensed by Doug Beardsley
Maintained by [email protected]
This version can be pinned in stack with:map-syntax-0.2.0.1@sha256:d0e669f5091c2fc8e582572b8f39d7491e8357d192cfb0a6da83b915f4072c20,1967

Module documentation for 0.2.0.1

Depends on 3 packages(full list with versions):
base, containers, mtl
Used by 1 package in lts-6.23(full list with versions):
heist

Haskell’s canonical list of tuples syntax for defining maps is not very convenient and also has ambiguous semantics. This package leverages do notation to create a lighter syntax that makes semantics explicit and also allows the option of fail-fast handling of duplicate keys.