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JavaScript
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export function size(_a) {
var width = _a.width, height = _a.height;
if (width < 0) {
throw new Error('Negative width is not allowed for Size');
}
if (height < 0) {
throw new Error('Negative height is not allowed for Size');
}
return {
width: width,
height: height,
};
}
export function equalSizes(first, second) {
return (first.width === second.width) &&
(first.height === second.height);
}