23 lines
938 B
JavaScript
23 lines
938 B
JavaScript
import Returns from '../core/Returns.mjs'
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export * from './Types/Complex.mjs'
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export * from '../generic/Types/generic.mjs'
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export const complex = {
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/* Very permissive for sake of proof-of-concept; would be better to
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* have a numeric/scalar type, e.g. by implementing subtypes in
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* typed-function
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*/
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'undefined': () => Returns('undefined', u => u),
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'undefined,any': () => Returns('undefined', (u, y) => u),
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'any,undefined': () => Returns('undefined', (x, u) => u),
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'undefined,undefined': () => Returns('undefined', (u, v) => u),
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'T,T': ({T}) => Returns(`Complex<${T}>`, (x, y) => ({re: x, im: y})),
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/* Take advantage of conversions in typed-function */
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// 'Complex<T>': () => z => z
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/* But help out because without templates built in to typed-function,
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* type inference turns out to be too hard
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*/
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'T': ({T, 'zero(T)': zr}) => Returns(
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`Complex<${T}>`, x => ({re: x, im: zr(x)}))
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}
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