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298 lines
7.6 KiB
298 lines
7.6 KiB
export const tests = [] |
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const t = (f) => tests.push(f) |
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const check = ({ filterCalls }, eq, a, b) => { |
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const result = eq(a, b) |
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const len = filterCalls.length |
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filterCalls.length = 0 |
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return len ? result : false |
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} |
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t(({ eq, ctx }) => |
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// check that the code did use filter properly |
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check(ctx, eq, filterShortStateName(ctx.arr1), [ |
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'Alaska', |
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'Hawaii', |
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'Idaho', |
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'Iowa', |
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'Kansas', |
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'Maine', |
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'Nevada', |
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'Ohio', |
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'Oregon', |
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'Texas', |
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'Utah', |
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]) |
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) |
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t(({ eq, ctx }) => |
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// check that the code did use filter properly |
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check(ctx, eq, filterStartVowel(ctx.arr1), [ |
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'Alabama', |
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'Alaska', |
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'Arizona', |
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'Arkansas', |
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'Idaho', |
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'Illinois', |
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'Indiana', |
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'Iowa', |
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'Ohio', |
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'Oklahoma', |
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'Oregon', |
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'Utah', |
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]) |
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) |
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t(({ eq, ctx }) => |
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// check that the code did use filter properly |
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check(ctx, eq, filter5Vowels(ctx.arr1), [ |
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'California', |
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'Louisiana', |
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'North Carolina', |
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'South Carolina', |
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'South Dakota', |
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'West Virginia', |
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]) |
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) |
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t(({ eq, ctx }) => |
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// check that the code did use filter properly |
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check(ctx, eq, filter1DistinctVowel(ctx.arr1), [ |
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'Alabama', |
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'Alaska', |
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'Arkansas', |
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'Kansas', |
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'Maryland', |
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'Mississippi', |
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'New Jersey', |
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'Tennessee', |
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]) |
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) |
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t(({ eq, ctx }) => |
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// check that the code did use filter properly |
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check(ctx, eq, multiFilter(ctx.arr2), [ |
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{ tag: 'CA', name: 'California', capital: 'Sacramento', region: 'West' }, |
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{ tag: 'HI', name: 'Hawaii', capital: 'Honolulu', region: 'West' }, |
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{ |
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tag: 'MO', |
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name: 'Missouri', |
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capital: 'Jefferson City', |
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region: 'Midwest', |
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}, |
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{ |
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tag: 'PA', |
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name: 'Pennsylvania', |
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capital: 'Harrisburg', |
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region: 'Northeast', |
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}, |
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{ |
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tag: 'RI', |
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name: 'Rhode Island', |
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capital: 'Providence', |
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region: 'Northeast', |
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}, |
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]) |
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) |
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Object.freeze(tests) |
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export const setup = () => { |
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const filterCalls = [] |
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const _filter = Array.prototype.filter |
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Array.prototype.filter = function () { |
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filterCalls.push(this) |
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return _filter.apply(this, arguments) |
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} |
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const arr1 = Object.freeze([ |
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'Alabama', |
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'Alaska', |
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'Arizona', |
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'Arkansas', |
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'California', |
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'Colorado', |
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'Connecticut', |
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'Delaware', |
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'Florida', |
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'Georgia', |
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'Hawaii', |
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'Idaho', |
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'Illinois', |
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'Indiana', |
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'Iowa', |
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'Kansas', |
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'Kentucky', |
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'Louisiana', |
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'Maine', |
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'Maryland', |
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'Massachusetts', |
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'Michigan', |
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'Minnesota', |
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'Mississippi', |
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'Missouri', |
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'Montana', |
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'Nebraska', |
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'Nevada', |
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'New Hampshire', |
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'New Jersey', |
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'New Mexico', |
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'New York', |
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'North Carolina', |
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'North Dakota', |
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'Ohio', |
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'Oklahoma', |
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'Oregon', |
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'Pennsylvania', |
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'Rhode Island', |
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'South Carolina', |
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'South Dakota', |
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'Tennessee', |
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'Texas', |
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'Utah', |
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'Vermont', |
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'Virginia', |
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'Washington', |
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'West Virginia', |
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'Wisconsin', |
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'Wyoming', |
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]) |
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const arr2 = Object.freeze( |
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[ |
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{ tag: 'AL', name: 'Alabama', capital: 'Montgomery', region: 'South' }, |
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{ tag: 'AK', name: 'Alaska', capital: 'Juneau', region: 'West' }, |
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{ tag: 'AZ', name: 'Arizona', capital: 'Phoenix', region: 'West' }, |
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{ tag: 'AR', name: 'Arkansas', capital: 'Little Rock', region: 'South' }, |
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{ tag: 'CA', name: 'California', capital: 'Sacramento', region: 'West' }, |
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{ tag: 'CO', name: 'Colorado', capital: 'Denver', region: 'West' }, |
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{ |
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tag: 'CT', |
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name: 'Connecticut', |
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capital: 'Hartford', |
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region: 'Northeast', |
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}, |
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{ tag: 'DE', name: 'Delaware', capital: 'Dover', region: 'South' }, |
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{ |
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tag: 'DC', |
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name: 'District Of Columbia', |
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capital: 'Washington', |
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region: 'South', |
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}, |
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{ tag: 'FL', name: 'Florida', capital: 'Tallahassee', region: 'South' }, |
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{ tag: 'GA', name: 'Georgia', capital: 'Atlanta', region: 'South' }, |
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{ tag: 'HI', name: 'Hawaii', capital: 'Honolulu', region: 'West' }, |
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{ tag: 'ID', name: 'Idaho', capital: 'Boise', region: 'West' }, |
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{ |
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tag: 'IL', |
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name: 'Illinois', |
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capital: 'Springfield', |
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region: 'Midwest', |
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}, |
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{ |
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tag: 'IN', |
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name: 'Indiana', |
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capital: 'Indianapolis', |
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region: 'Midwest', |
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}, |
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{ tag: 'IA', name: 'Iowa', capital: 'Des Moines', region: 'Midwest' }, |
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{ tag: 'KS', name: 'Kansas', capital: 'Topeka', region: 'Midwest' }, |
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{ tag: 'KY', name: 'Kentucky', capital: 'Frankfort', region: 'South' }, |
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{ tag: 'LA', name: 'Louisiana', capital: 'Baton Rouge', region: 'South' }, |
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{ tag: 'ME', name: 'Maine', capital: 'Augusta', region: 'Northeast' }, |
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{ tag: 'MD', name: 'Maryland', capital: 'Annapolis', region: 'South' }, |
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{ |
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tag: 'MA', |
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name: 'Massachusetts', |
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capital: 'Boston', |
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region: 'Northeast', |
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}, |
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{ tag: 'MI', name: 'Michigan', capital: 'Lansing', region: 'Midwest' }, |
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{ tag: 'MN', name: 'Minnesota', capital: 'St. Paul', region: 'Midwest' }, |
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{ tag: 'MS', name: 'Mississippi', capital: 'Jackson', region: 'South' }, |
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{ |
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tag: 'MO', |
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name: 'Missouri', |
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capital: 'Jefferson City', |
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region: 'Midwest', |
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}, |
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{ tag: 'MT', name: 'Montana', capital: 'Helena', region: 'West' }, |
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{ tag: 'NE', name: 'Nebraska', capital: 'Lincoln', region: 'Midwest' }, |
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{ tag: 'NV', name: 'Nevada', capital: 'Carson City', region: 'West' }, |
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{ |
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tag: 'NH', |
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name: 'New Hampshire', |
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capital: 'Concord', |
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region: 'Northeast', |
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}, |
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{ |
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tag: 'NJ', |
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name: 'New Jersey', |
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capital: 'Trenton', |
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region: 'Northeast', |
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}, |
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{ tag: 'NM', name: 'New Mexico', capital: 'Santa Fe', region: 'West' }, |
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{ tag: 'NY', name: 'New York', capital: 'Albany', region: 'Northeast' }, |
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{ |
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tag: 'NC', |
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name: 'North Carolina', |
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capital: 'Raleigh', |
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region: 'South', |
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}, |
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{ |
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tag: 'ND', |
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name: 'North Dakota', |
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capital: 'Bismarck', |
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region: 'Midwest', |
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}, |
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{ tag: 'OH', name: 'Ohio', capital: 'Colombus', region: 'Midwest' }, |
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{ |
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tag: 'OK', |
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name: 'Oklahoma', |
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capital: 'Oklahoma City', |
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region: 'South', |
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}, |
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{ tag: 'OR', name: 'Oregon', capital: 'Salem', region: 'West' }, |
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{ |
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tag: 'PA', |
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name: 'Pennsylvania', |
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capital: 'Harrisburg', |
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region: 'Northeast', |
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}, |
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{ |
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tag: 'RI', |
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name: 'Rhode Island', |
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capital: 'Providence', |
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region: 'Northeast', |
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}, |
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{ |
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tag: 'SC', |
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name: 'South Carolina', |
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capital: 'Columbia', |
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region: 'South', |
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}, |
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{ tag: 'SD', name: 'South Dakota', capital: 'Pierre', region: 'Midwest' }, |
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{ tag: 'TN', name: 'Tennessee', capital: 'Nashville', region: 'South' }, |
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{ tag: 'TX', name: 'Texas', capital: 'Austin', region: 'South' }, |
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{ tag: 'UT', name: 'Utah', capital: 'Salt Lake City', region: 'West' }, |
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{ |
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tag: 'VT', |
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name: 'Vermont', |
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capital: 'Montpelier', |
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region: 'Northeast', |
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}, |
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{ tag: 'VA', name: 'Virginia', capital: 'Richmond', region: 'South' }, |
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{ tag: 'WA', name: 'Washington', capital: 'Olympia', region: 'West' }, |
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{ |
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tag: 'WV', |
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name: 'West Virginia', |
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capital: 'Charleston', |
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region: 'South', |
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}, |
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{ tag: 'WI', name: 'Wisconsin', capital: 'Madison', region: 'Midwest' }, |
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{ tag: 'WY', name: 'Wyoming', capital: 'Cheyenne', region: 'West' }, |
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].map((e) => Object.freeze(e)) |
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) |
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return { filterCalls, arr1, arr2 } |
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}
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