project-euler/Sidef/012 Highly divisible triangular number -- v2.sf

#!/usr/bin/ruby

# Daniel "Trizen" Șuteu
# Date: 04 November 2017
# https://github.com/trizen

# https://projecteuler.net/problem=12

# Runtime: 0.329s

say (^Inf -> lazy.map { .polygonal(3) }.first_by {
    .sigma0 > 500
})