Defining Custom Types in Sanctuary
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const S = require('sanctuary') | |
const $ = require('sanctuary-def') | |
const x = 42 | |
const s = "butter" | |
// this will work | |
const oops = x + s | |
// this will blow up | |
const result = S.add(x)(s) |
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const someUser = { | |
id: 3, | |
name: "Eric", | |
email: "me@dokidoki.whatever" | |
} | |
const someProduct = { | |
id: 123, | |
name: "Exciting consumer item!" | |
} | |
const updateProductName = | |
(product, newName) => { | |
return Object.assign( | |
{}, | |
{ ...product }, | |
{ name: newName } | |
) | |
} | |
// pass in user instead of product... | |
// ... aaaand it works. Kind of. | |
const newProduct = updateProductName( | |
someUser, | |
"Suggestive Refrigerator Magnet" | |
) |
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const $ = require('sanctuary-def') | |
const { create, env } = require('sanctuary') | |
const FirstType = $.NullaryType | |
('dokidoki-types/FirstType') | |
('http://dokidokidriven.com/types/FirstType') | |
((x) => x === "dokidoki") | |
const S = create({checkTypes: true, env: env.concat ([FirstType])}) | |
const result = S.add(42)("dokidoki") |
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