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refactor: require match to merge any function (#23)
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Resolves #12.

Reviewed-on: #23
Co-authored-by: Glen Whitney <glen@studioinfinity.org>
Co-committed-by: Glen Whitney <glen@studioinfinity.org>
This commit is contained in:
Glen Whitney 2025-04-24 00:16:04 +00:00 • committed by Glen Whitney
parent 236f46c0c0
commit 0ff00ff8cb
4 changed files with 14 additions and 8 deletions
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8
src/generic/utils.js
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@ -1,13 +1,13 @@
import {ReturnsAs} from './helpers.js'
import {ResolutionError} from '#core/helpers.js'
import {ResolutionError, match} from '#core/helpers.js'
import {Returns} from '#core/Type.js'
import {Any} from "#core/TypePatterns.js"
import {Passthru} from "#core/TypePatterns.js"
export const isZero = (math, [T]) => {
export const isZero = match(Passthru, (math, [T]) => {
if (!T) { // called with no arguments
throw new ResolutionError('isZero() requires one argument')
}
const z = math.zero(T)
const eq = math.equal.resolve([T, T])
return ReturnsAs(eq, x => eq(z, x))
}
})