checkmate: Fast and Versatile Argument Checks

Tests and assertions to perform frequent argument checks. A substantial part of the package was written in C to minimize any worries about execution time overhead.

Check scalars

• checkFlag

• checkCount

• checkNumber

• checkInt

• checkString

• checkScalar

• checkScalarNA

Check vectors

• checkLogical

• checkNumeric

• checkDouble

• checkInteger

• checkIntegerish

• checkCharacter

• checkComplex

• checkFactor

• checkList

• checkPOSIXct

• checkVector

• checkAtomic

• checkAtomicVector

• checkRaw

Check attributes

• checkClass

• checkMultiClass

• checkNames

• checkNamed (deprecated)

Check compound types

• checkArray

• checkDataFrame

• checkMatrix

Check other built-in R types

• checkDate

• checkEnvironment

• checkFunction

• checkFormula

• checkNull

Check sets

• checkChoice

• checkSubset

• checkSetEqual

• checkDisjunct

File IO

• checkFileExists

• checkDirectoryExists

• checkPathForOutput

• checkAccess

Popular data types of third party packages

• checkDataTable

• checkR6

• checkTibble

Safe coercion to integer

• asCount

• asInt

• asInteger

Quick argument checks using a DSL

• qassert

• qassertr

Misc

• checkOS (check operating system)

• assert (combine multiple checks into an assertion)

• anyMissing

• allMissing

• anyNaN

• wf (which.first and which.last)

See also

Useful links:

• https://github.com/mllg/checkmate

• Report bugs at https://github.com/mllg/checkmate/issues

Author

Maintainer: Michel Lang michellang@gmail.com (ORCID)

Other contributors:

• Bernd Bischl bernd_bischl@gmx.net [contributor]

• Dénes Tóth toth.denes@kogentum.hu (ORCID) [contributor]