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End of Life Ruby 3.2 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

Numeric#round

round(digits = 0) → integer or float

Returns self rounded to the nearest value with a precision of digits decimal digits.

Numeric implements this by converting self to a Float and invoking Float#round.

See also #remainder #step #rectangular #to_c also in 4.1 · 4.0 · 3.4 · 3.3 · 3.1 · 3.0