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Maintenance Ruby 3.4 gets fixes, but no new features. Switch to Ruby 4.0 →

instance method

Enumerable#to_set

() -> ::Set[Elem]
[T] () { (Elem) -> T } -> ::Set[T]
to_set(klass = Set, *args, &block)

Makes a set from the enumerable object with given arguments. Needs to require "set" to use this method.

See also #to_h #uniq #to_a #zip also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1 · 3.0