21 lines
465 B
JavaScript
21 lines
465 B
JavaScript
export default function number(x) {
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return x === null ? NaN : +x;
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}
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export function* numbers(values, valueof) {
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if (valueof === undefined) {
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for (let value of values) {
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if (value != null && (value = +value) >= value) {
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yield value;
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}
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}
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} else {
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let index = -1;
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for (let value of values) {
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if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) {
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yield value;
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}
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}
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}
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}
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