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withr

Run Code 'With' Temporarily Modified Global State

A set of functions to run code 'with' safely and temporarily modified global state. Many of these functions were originally a part of the 'devtools' package, this provides a simple package with limited dependencies to provide access to these functions.

Functions (26)

defer

Defer Evaluation of an Expression

devices

Graphics devices

makevars_user

Shim for tools::makevars_user()

set_makevars

Create a new Makevars file, by adding new variables

with_

Create a new "with" or "local" function

with_collate

Collation Order

with_connection

Connections which close themselves

with_db_connection

DBMS Connections which disconnect themselves.

with_dir

Working directory

with_envvar

Environment variables

with_file

Files which delete themselves

with_gctorture2

Torture Garbage Collector

with_libpaths

Library paths

with_locale

Locale settings

with_makevars

Makevars variables

with_options

Options

with_package

Execute code with a modified search path

with_par

Graphics parameters

with_path

PATH environment variable

with_rng_version

RNG version

with_seed

Random seed

with_sink

Output redirection

with_temp_libpaths

Library paths

with_tempfile

Temporary files

with_timezone

Time zone

withr

Execute code in temporarily altered environment

withr

Run Code 'With' Temporarily Modified Global State

v2.4.2

MIT + file LICENSE

Authors

Jim Hester [aut, cre], Kirill Müller [aut], Kevin Ushey [aut], Hadley Wickham [aut], Winston Chang [aut], Jennifer Bryan [ctb], Richard Cotton [ctb], RStudio [cph]

Initial release

withr

Functions (26)

withr

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