Closure Version of Complex Number

node v14.20.1
version: 1.0.0
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const makeComplexNumberFromRealImag = (x, y) => { const dispatch = (op) => { switch (op) { case 'realPart': return x; case 'imagPart': return y; case 'magnitude': return Math.sqrt(x * x + y * y); case 'angle': return Math.atan(y / x); default: throw new Error('Unknown op: ' + op); } } return dispatch; }; const n = makeComplexNumberFromRealImag(1, 2); console.log(n('realPart')); console.log(n('imagPart')); console.log(n('magnitude')); console.log(n('angle'));
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