References

summary
private	F _reduce(accumulator: Function, iterable: Iterable, initializer: Object): Object Applies the accumulator function iteratively on the last return value of the accumulator and the next value in the input iterable.
private	F _sum(iterable: Iterable, initializer: Object): Object Sums the elements of the input iterable.
public	F all(iterable: Iterable): Boolean Returns true if all of the elements of the input iterable are truthy.
public	F any(iterable: Iterable): Boolean Returns true if any of the elements of the input iterable is truthy.
public	F max(compare: Function, iterable: Iterable, dflt: Object): Object Returns the largest element of the input iterable according to some comparison function.
public	F min(compare: Function, iterable: Iterable, dflt: Object): Object Returns the smallest element of the input iterable according to some comparison function.
public	F reduce(accumulator: Function, iterable: Iterable, initializer: Object): Object Applies the accumulator function iteratively on the last return value of the accumulator and the next value in the input iterable.
public	F some(iterable: Iterable, n: Number): Boolean Returns true if at least some of the elements of the input iterable are truthy.
public	F sum(iterable: Iterable, initializer: Object): Object Sums the elements of the input iterable.