alias for concat
alias for foldLeft
alias for foldRight
Returns f applied to contents if non-empty, otherwise the zero of B.
All of the Bs, in order, and the final C acquired by a stateful left fold over as.
All of the Bs, in order as-wise, and the final C acquired by a stateful right fold over as.
Unlike stdlib's version, this is total and simply ignores indices that are out of range
Safe, invariant alternative to stdlib
List. Most methods onListhave a sensible equivalent here, either on theIListinterface itself or via typeclass instances (which are the same as those defined for stdlibList). All methods are total and stack-safe.