Apply a function to each element of an iterator.

i_apply(obj, f) returns the iteror that applies f to each element of the given iterable obj. It is an iterator equivalent of lapply.

Usage

i_apply(obj, f, ...)

Arguments

obj

an iterable.

f

a function

...

Additional arguments will be passed along to f

Value

An iteror.

See also

To apply a function of multiple arguments to multiple iterators, see i_map. To split an array over margins (like iterators::i_apply use iteror(obj, by=MARGIN