17 lines
655 B
JavaScript
17 lines
655 B
JavaScript
import Returns from '../core/Returns.mjs'
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export * from './Types/generic.mjs'
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export const reducingOperation = {
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'undefined': () => Returns('undefined', u => u),
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'undefined,...any': () => Returns('undefined', (u, rest) => 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}) => Returns(T, x => x),
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// Unfortunately the type language of Pocomath is not (yet?) expressive
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// enough to properly type the full reduction signature here:
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'any,any,...any': ({
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self
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}) => Returns('any', (a,b,rest) => [b, ...rest].reduce((x,y) => self(x,y), a))
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}
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