[R] Problem applying "outer" to a list of functions

[jschamel]

I'm trying to construct an array with output from the application of
homogeneous input to a bunch of different functions (my final goal is to
easily analyze running time of a lot of competing functions and summarize
the results).  In my current iteration, however, only the first function in
the list is being applied, and I'm not sure why.  Here's my dummy code with
output


> foo <- function(x){paste('foo(',x,')',sep='')}
> bar <- function(x){paste('bar(',x,')',sep='')}
> outer(list(foo,bar),1:2,function(fl,x){fl[[1]](x)})
     [,1]     [,2]    
[1,] "foo(1)" "foo(2)"
[2,] "foo(1)" "foo(2)"


Any insight would be appreciated!  Thanks!
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