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bank account simulator

db4
Alex Chapman 2008-04-28 14:24:30 +10:00
parent ffd3ae635d
commit 4300eeaa89
2 changed files with 4 additions and 3 deletions
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6
extra/bank/bank.factor
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@ -1,10 +1,10 @@
USING: accessors calendar kernel math money sequences ;
USING: accessors calendar kernel math math.order money sequences ;
IN: bank
TUPLE: account name interest-rate interest-payment-day opening-date transactions unpaid-interest interest-last-paid ;
: <account> ( name interest-rate interest-payment-day opening-date -- account )
V{ } clone 0 pick account construct-boa ;
V{ } clone 0 pick account boa ;
TUPLE: transaction date amount description ;
C: <transaction> transaction
@ -29,7 +29,7 @@ C: <transaction> transaction
: before? ( date date -- ? ) <=> 0 < ;
: transactions-on-date ( account date -- transactions )
[ before? ] curry subset ;
[ before? ] curry filter ;
: balance-on-date ( account date -- balance )
transactions-on-date total ;

1
extra/bank/summary.txt Normal file
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Bank account simulator for compound interest calculated daily and paid monthly