dabb3ef82e
supplant the old interface, which relied on the Num typeclass. MixedAmount did not have a very good Num instance. The only functions which were defined were fromInteger, (+), and negate. Furthermore, it was not law-abiding, as 0 + a /= a in general. Replacements for used functions are: 0 -> nullmixedamt / mempty (+) -> maPlus / (<>) (-) -> maMinus negate -> maNegate sum -> maSum sumStrict -> maSum Also creates some new constructors for MixedAmount: mixedAmount :: Amount -> MixedAmount maAddAmount :: MixedAmount -> Amount -> MixedAmount maAddAmounts :: MixedAmount -> [Amount] -> MixedAmount Add Semigroup and Monoid instances for MixedAmount. Ideally we would remove the Num instance entirely. The only change needed have nullmixedamt/mempty substitute for 0 without problems was to not squash prices in mixedAmount(Looks|Is)Zero. This is correct behaviour in any case. |
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bin | ||
checks | ||
doc | ||
docker | ||
examples | ||
hledger | ||
hledger-install | ||
hledger-lib | ||
hledger-ui | ||
hledger-web | ||
shell-completion | ||
tools | ||
.ci | ||
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.editorconfig | ||
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.gitignore | ||
.hlint.yaml | ||
.mailmap | ||
.version | ||
azure-pipelines.yml | ||
bench.sh | ||
cabal.project | ||
CHANGES.md | ||
CONTRIBUTING.md | ||
CREDITS.md | ||
dev.hs | ||
Dockerfile | ||
hie.yaml | ||
LICENSE | ||
Makefile | ||
Makefile.helpsys | ||
README.md | ||
ROADMAP.md | ||
Shake.hs | ||
stack7.10.yaml.disabled | ||
stack8.0.yaml | ||
stack8.2.yaml | ||
stack8.4.yaml | ||
stack8.6.yaml | ||
stack8.8.yaml | ||
stack.yaml |
hledger project README
lightweight, portable, dependable accounting tools
hledger is a computer program for easily tracking money, time, or other commodities, on unix, mac and windows (and web-capable mobile devices, to some extent).
It is first a command-line tool, but there are also terminal and web interfaces, and a Haskell library for building your own programs and scripts (hledger is written in Haskell). hledger was inspired by and is largely compatible with Ledger. hledger is free software available under the GNU General Public License v3+.
hledger aims to help both computer experts and regular folks to gain clarity and control in their finances and time management, but currently it is a bit more suited to techies. I use it every day to:
- track spending and income
- see time reports by day/week/month/project
- get accurate numbers for client billing and tax filing
- track invoices
Though limited in features, hledger is lightweight, usable and reliable. For some, it is a simpler, less distracting, more future-proof alternative to Quicken or GnuCash.
For more, see the home page: https://hledger.org
Sponsorship
Your support, large or small, helps keep this project strong!
See also https://hledger.org#sponsorship.
Sponsor Simon (project leader):
Sponsor the hledger project as an organisation:
Sponsor the hledger project as an individual: