From language/operators

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multi sub infix:<==>(Any, Any)
multi sub infix:<==>(Int:D, Int:D)
multi sub infix:<==>(Num:D, Num:D)
multi sub infix:<==>(Rational:D, Rational:D)
multi sub infix:<==>(Real:D, Real:D)
multi sub infix:<==>(Complex:D, Complex:D)
multi sub infix:<==>(Numeric:D, Numeric:D)

Numeric equality operator.

Coerces both arguments to Numeric (if necessary); returns True if they are equal.

Since Rakudo version 2021.07, ⩵ is an alias for this operator.