On Aug 14, 2010, at 6:23 PM, Steven C. Bagley wrote:
In R 2.11.1 on Mac OS 10.6.4, the following code works, but if the
print statement is removed or commented out, then an infinite
recursion results. Can someone explain what is going on? Thanks. --
Steve
foo2=function(f1, f2){
print(f1)
function(x){
f1(x) + f2(x) } }
foo=function(...) Reduce(foo2, list(...))
foo(sin, cos, tan)(1)
?force
> foo2=function(f1, f2){
+ force(f1)
+ function(x){
+ f1(x) + f2(x) } }
>
> foo=function(...) Reduce(foo2, list(...))
>
> foo(sin, cos, tan)(1)
[1] 3.956286
--
David.
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