wrapr

<p>Provides <code>DebugFnW()</code> to capture function context on error for
debugging, and <code>let()</code> which converts non-standard evaluation interfaces to
parametric standard evaluation interfaces.
<code>DebugFnW()</code> captures the calling function and arguments prior to the
call causing the exception, while
the classic <code>options(error=dump.frames)</code> form captures at the
moment of the exception
itself (thus function arguments may not be at their starting values).
<code>let()</code> rebinds (possibly unbound) names to names.</p>

Tools for writing and debugging R code. Provides:
'%.>%' dot-pipe (an 'S3' configurable pipe), unpack/to (R style multiple assignment/return),
'build_frame()'/'draw_frame()' ('data.frame' example tools),
'qc()' (quoting concatenate),
':=' (named map builder), 'let()' (converts non-standard evaluation interfaces to parametric standard
evaluation interfaces, inspired by 'gtools::strmacro()' and 'base::bquote()'), and more.

John Mount

Wrap R Tools for Debugging and Parametric Programming

wrapr: `wrapr`: Wrap R Functions for Debugging and Parametric Programming

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