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cpp-exercises/return-type-deduction.cpp

17 lines
291 B
C++

// http://en.wikipedia.org/wiki/C++14
#include <cassert>
#include <iostream>
auto sum(int i) {
if (i == 1)
return i; // return type deduced as int
else
return sum (i-1) + i; // ok to call it now
}
int main() {
assert(sum(3) == 6);
assert(sum(10) == 55);
}