Remove (all) functions from environment

erase_functions(pattern = NULL, envir = parent.frame(),
  verbose = FALSE)

Arguments

pattern	regex pattern to select a set of objects; default: NULL
envir	environment; default: caller environment
verbose	print removed objects' names

NULL (function returns nothing)

Function can be used with envir = globalenv() argument. Be careful: uncontrolled use may cause undesired side effects.

create_data <- function() data.frame(a = 1:10, b = 11:20)
x <- cars
y <- 1:20
z <- function(x) x +2
erase_functions()
ls()
#> [1] "x" "y"