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Maintenance Ruby 3.3 gets fixes, but no new features. Switch to Ruby 4.0 →

instance method

Random::Formatter#gen_random

gen_random(n)

Internal interface to Random; Generate random data n bytes.

See also #choose #hex #base64 #rand also in 4.1 · 4.0 · 3.4 · 3.2 · 3.1 · 3.0