Lots of predicates (is_* functions) to check the state of your variables, and assertions (assert_* functions) to throw errors if they aren't in the right form.
| Version: | 0.3-6 | 
| Depends: | R (≥ 3.0.0) | 
| Imports: | assertive.base (≥ 0.0-4), assertive.properties (≥ 0.0-2), assertive.types (≥ 0.0-2), assertive.numbers, assertive.strings, assertive.datetimes, assertive.files, assertive.sets (≥ 0.0-2), assertive.matrices, assertive.models, assertive.data, assertive.data.uk, assertive.data.us, assertive.reflection (≥ 0.0-2), assertive.code, knitr | 
| Suggests: | testthat, markdown | 
| Published: | 2020-08-01 | 
| Author: | Richard Cotton [aut, cre] | 
| Maintainer: | Richard Cotton <richierocks at gmail.com> | 
| BugReports: | https://bitbucket.org/richierocks/assertive/issues | 
| License: | GPL (≥ 3) | 
| URL: | https://bitbucket.org/richierocks/assertive | 
| NeedsCompilation: | no | 
| Materials: | README NEWS | 
| CRAN checks: | assertive results | 
| Reference manual: | assertive.pdf | 
| Vignettes: | 
2. Checking function inputs 3. Checklists of checks A1. Exercise answers 1. Introduction  | 
| Package source: | assertive_0.3-6.tar.gz | 
| Windows binaries: | r-devel: assertive_0.3-6.zip, r-release: assertive_0.3-6.zip, r-oldrel: assertive_0.3-6.zip | 
| macOS binaries: | r-release (arm64): assertive_0.3-6.tgz, r-oldrel (arm64): assertive_0.3-6.tgz, r-release (x86_64): assertive_0.3-6.tgz, r-oldrel (x86_64): assertive_0.3-6.tgz | 
| Old sources: | assertive archive | 
| Reverse imports: | anomaly, autonomics, beastier, beautier, multicrispr, multilateral, netmhc2pan, rdrop2 | 
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