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.
price directives after the last transaction/posting date if using
--value=end.
Also enlarges the reportspan to encompass full intervals for budget
goals.
For clarity; infer-value was too vague. The old spelling remains
supported for compatibility, but is now deprecated.
When typing, --infer-market or even --infer (for now) is sufficient.
Since this is option is now just an alias for -B/--cost, and since it
may be removed soon, we make it undocumented, though it will still
behave as before. --value=cost,COMM is unsupported as well.
independently.
You can now combine costing and valuation, for example "--cost
--value=then" will first convert to costs, and then value according to
the "--value=then" strategy. Any valuation strategy can be used with or
without costing.
If multiple valuation and costing strategies are specified on the
command line, then if any of them include costing
(-B/--cost/--value=cost) then amounts will be converted to cost, and for
valuation strategy the rightmost will be used.
--value=cost is deprecated, but still supported and is equivalent to
--cost/-B. --value=cost,COMM is no longer supported, but this behaviour can be
achieved with "--cost --value=then,COMM".
costing and valuation.
This currently is given a dummy NoCost argument and is equivalent to
"maybe id (*ApplyValuation ...)", but provides a constant interface so
that internal behaviour can be changed freely.
Also adds a postingDate argument to amountApplyValuation, and re-orders
the ValuationType and (Transaction/Posting) arguments to
(transaction/posting)ApplyValuation, to be consistent with
amountApplyValuation.
A "hledger check" argument may now be a quoted string containing
the check name followed by space-separated arguments, for
checks which make use of those. This means the check command
can replicate "check-dates --unique" and (in principle)
"check-fancyassertions ASSERTIONS..". Eg:
hledger check "dates --unique"
I think it'll be better for checks to take no arguments or options,
so this is probably just a transitional feature for compatibility.
querystring_.
This helps deal with tricky quoting issues, as we no longer have to make
sure everything is quoted properly before merging it into a string.
