element: Extract an element from an 'R6Flow' object
In numeract/rflow: Flexible R Pipelines with Caching

Description Usage Arguments Value Examples

Extract an element from an R6Flow object

element(flow, name = NULL)

## S3 method for class 'R6Flow'
flow[name]

`flow`	A flow object, e.g. as returned by `flow_fn`.
`name`	Element of the output data to be selected. The default is `name = NULL`, which returns the element version of the `R6Flow` input object.

An object with class Element.

fn <- function(x, y) { list(x = x, y = y, Z = 6) }
flowed_fn <- flow_fn(2, 3, fn = fn) 
flow_element <- element(flowed_fn, "x")

fn <- function(x, y) { list(x = x, y = y, Z = 7) }
flowed_fn <- flow_fn(2, 3, fn = fn)
element_name <- flowed_fn["x"]$elem_name