ContextManager: Context managers

In crunch: Crunch.io Data Tools

Context managers

Description

Context managers

Usage

ContextManager(
  enter = function() {
 },
  exit = function() {
 },
  error = NULL,
  as = NULL
)

Arguments

enter	function to run before taking actions
exit	function to run after taking actions
error	optional function to run if an error is thrown
as	character optional way to specify a default name for assigning the return of the enter function.

Value

an S3 class "contextManager" object

See Also

with-context-manager

crunch documentation built on May 29, 2024, 5:03 a.m.