First function
The first function you'll write in C++ may very well be the only function you will ever need as you will write a function that returns the answer to the ultimate question of life, the universe and everything.
Rcpp is loaded in your workspace.
Latihan ini adalah bagian dari kursus
Optimizing R Code with Rcpp
Petunjuk latihan
Write a C++ function the_answer() that does not take any argument and
always returns the int 42.
Latihan interaktif praktis
Cobalah latihan ini dengan menyelesaikan kode contoh berikut.
# Define the function the_answer()
cppFunction('
___ ___() {
return ___ ;
}
')
# Check the_answer() returns the integer 42
the_answer() == 42L