map-syntax

Syntax sugar for defining maps

Version on this page:0.2.0.2@rev:2
LTS Haskell 24.27:0.3@rev:9
Stackage Nightly 2026-01-11:0.3@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-0.2.0.2@sha256:46c9473924c290cd8346ac1acc4922e916d5366b843e4b86e9b783d3f2ba6389,2133

Module documentation for 0.2.0.2

Depends on 3 packages(full list with versions):
base, containers, mtl
Used by 2 packages in lts-11.4(full list with versions):
heist, snap

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.