VComments
From R.utils v0.5.5
by Henrik Bengtsson
The VComments class
Package: R.utils
Class VComments
Object
~~|
~~+--
SmartComments
~~~~~~~|
~~~~~~~+--
VComments
Directly known subclasses:
LComments
public static class VComments
extends SmartComments
The VComments class.
- Keywords
- classes, programming, IO
Usage
VComments(letter="V", verboseName="verbose", ...)
Arguments
- letter
- The smart letter.
- verboseName
- The name of the verbose object.
- ...
- Not used.
Details
The 'v' in VComments stands for 'verbose', because of its relationship
to the Verbose
class.
Here is a list of VComments and the Rcode that replaces each of them
by the compiler:
Constructors
- \#V0\#
bold
- Controls
- Enters and exits
- Simple output
- Output messages
cr
- \#V=\#
] - Sets the name of the object. Default is 'verbose'.} - #V^#
{- setThreshold( , )} - #V?#
{- if (isVisible( )) { }} - #V@#
{- setDefaultLevel( , )} - #Vm#
{- ( , )} - \#V+\#
] - enter( , )} - #V-#
{[] - exit( , )} - #V!#
{[] - pushState( ) on.exit(popState( )) If , enter( , )} - \#Vn\#
- newline( )} - #Vr#
{- ruler( )} - #Vt#
{- timestamp( )} - #Vw#
{[] - warnings( , )} - \#Vc\#
] - cat( , )} - #Ve#
{- eval( , )} - #Vh#
{- header( , )} - #Vp#
{
Examples
filename <- system.file("data-ex/exampleVComments.R", package="R.utils")
lines <- readLines(filename)
cat("Code before preprocessing:
")
displayCode(lines)
lines <- VComments$compile(lines)
cat("Code after preprocessing:
")
displayCode(lines)
Community examples
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