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use std;
import std::_int;
import std::_str::eq;
fn test_to_str() {
assert (eq(_int::to_str(0, 10u), "0"));
assert (eq(_int::to_str(1, 10u), "1"));
assert (eq(_int::to_str(-1, 10u), "-1"));
assert (eq(_int::to_str(255, 16u), "ff"));
assert (eq(_int::to_str(100, 10u), "100"));
}
fn test_pow() {
assert (_int::pow(0, 0u) == 1);
assert (_int::pow(0, 1u) == 0);
assert (_int::pow(0, 2u) == 0);
assert (_int::pow(-1, 0u) == -1);
assert (_int::pow(1, 0u) == 1);
assert (_int::pow(-3, 2u) == 9);
assert (_int::pow(-3, 3u) == -27);
assert (_int::pow(4, 9u) == 262144);
}
fn main() {
test_to_str();
}
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