map-syntax

Syntax sugar for defining maps

Version on this page:0.2
LTS Haskell 24.25:0.3@rev:9
Stackage Nightly 2025-12-22:0.3@rev:9
Latest on Hackage:0.3@rev:9

See all snapshots map-syntax appears in

BSD-3-Clause licensed and maintained by Doug Beardsley
This version can be pinned in stack with:map-syntax-0.2@sha256:3c74f5da7dac9d3ff8985d8907b2d97f5efa35d3cc0e17e7d869e841721ae4fb,2145

Module documentation for 0.2

Depends on 3 packages(full list with versions):
base, containers, mtl
Used by 1 package in lts-6.5(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.