dry_run: dry_run

In decisionpatterns/coercion: Utilities for Coercing (and Parsing) Values Between Types, Modes and Classes

Description

Like the identity function but reports on changes in values caused by the application of the function.

Usage

dry_run(x, fun, type = c("all"))

Arguments

x	object
fun	function

Value

x reporting with a message about changes to those values

Examples

  c(-2:2) %>% dry_run( sqrt ) 
  c(-2:2) %>% dry_run( sqrt, "all" )
  c(-2:2) %>% dry_run( sqrt, "changed" )
  c(-2:2) %>% dry_run( sqrt, "unchanged" )   


  data(iris)
  setDT(iris)
  iris[ , Species := Species %>% dry_run( toupper ) ] 
  
  iris$Species # unchanged
  

decisionpatterns/coercion documentation built on Nov. 4, 2019, 10:23 a.m.