Was `Iterable<BigDecimal / BigInteger>.sum()...

# stdlib

[mg6maciej]

Was Iterable<BigDecimal / BigInteger>.sum() ever considered?

[ilya.gorbunov]

mg6maciej: It's not so in demand to introduce a bunch of overloads. fold should be enough for now: https://stackoverflow.com/questions/39793600/kotlin-sum-of-bigdecimal-in-a-list