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

instance method

Numeric#real?

real? → true or false

Returns true if self is a real number (i.e. not Complex).

See also #real #rect #quo #rectangular also in 4.1 · 4.0 · 3.4 · 3.2 · 3.1 · 3.0