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End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

Module#>

mod > other → true, false, or nil

Returns true if mod is an ancestor of other. Returns nil if there’s no relationship between the two. (Think of the relationship in terms of the class definition: “class A < B” implies “B > A”.)

See also #>= #=== #== #alias_method also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1