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Description

Parsing and Evaluation Tools that Provide More Details than the Default.

Parsing and evaluation tools that make it easy to recreate the command line behaviour of R.

evaluate

R-CMD-check CRAN status Downloads from the RStudio CRAN mirror Codecov test coverage

evaluate provides tools that allow you to recreate the parsing, evaluation and display of R code, with enough information that you can accurately recreate what happens at the command line. Evaluate + replay works very similarly to source(), but is written in such a way to make it easy to adapt for other output formats, such as html or latex.

library(evaluate)

There are three components to the evaluate package:

  • parse_all(), a version of parse that keeps expressions with their original source code, maintaining formatting and comments.
  • evaluate(), which evaluates each expression produced by parse_all(), tracking all output, messages, warnings, and errors as their occur, and interleaving them in the correct order with the original source and value of the expression.
  • replay(), which outputs these pieces in a way that makes it look like you've entered the code at the command line. This function also serves as a template for other output formats.
Metadata

Version

0.24.0

License

Unknown

Platforms (75)

    Darwin
    FreeBSD
    Genode
    GHCJS
    Linux
    MMIXware
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