snumber: Integer singletons with flexible representation

[ apache, constraints, library ] [ Propose Tags ]

This provides singletons-style witnesses for type-level integers, and some limited arithmetic operations on them. Instead of working with (invisible, implicitly-passed) KnownNat instances, you can work with (visible, explicitly-mentioned) SNumber values, and can freely convert between the two forms.

This primarily exists in support of dependent-literals-plugin.


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Versions [RSS], 0.2.0, 0.3.0
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Dependencies base (>=4.12 && <4.17), numeric-kinds (>=0.1 && <0.2) [details]
License Apache-2.0
Copyright 2020-2021 Google LLC
Author Andrew Pritchard <>
Maintainer Andrew Pritchard <>
Revised Revision 2 made by AndrewPritchard at 2021-11-03T08:01:10Z
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Source repo head: git clone
Uploaded by AndrewPritchard at 2021-09-08T19:37:07Z
Reverse Dependencies 1 direct, 0 indirect [details]
Downloads 373 total (12 in the last 30 days)
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Status Docs available [build log]
Last success reported on 2021-09-08 [all 1 reports]