listSymbols(RObject) -- list symbols in an R environment

• Function: listSymbols

• Usage:

  listSymbols x

• Inputs:
  • x, a R object or a R context, an R environment (type environment) or context;
• Outputs:
  • an instance of the type TABLE, an HTML table showing each symbol's name, R type, and value;

i1 : ctx = RContext "x <- 5L; y <- \"hello\""

o1 = ctx

o1 : RContext

i2 : listSymbols ctx

o2 = symbol  class      value
     ------  -----      -----      
     x       integer    [1] 5      
     y       character  [1] "hello"