FixedDecimal.opBinaryRight

auto opBinaryRight(string op)(const long lhs) if (op == "+" || op == "-") const @safe pure

Ditto (integer on the left).

auto opBinaryRight(string op)(const long lhs) if (op == "*") const @safe pure

Ditto (integer on the left).

auto opBinaryRight(string op)(const long lhs) if (op == "/") const @safe pure

Ditto (integer divided by a decimal).