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kitcat-dev/partialApply.js

Created August 28, 2019 07:56
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Частичное применение функции
Raw
partialApply.js
const partialApply = (fn, arg1) => (arg2, arg3) => fn(arg1, arg2, arg3);
const getAverageSalary = (profession, country) => {
if (profession === 'programmer') {
if (country === 'spain') return 2000;
if (country === 'russia') return 1200;
if (country === 'usa') return 8000;
}
}
const getProgrammersSalaryByCountry = partialApply(getAverageSalary, 'programmer');
const salary1 = getProgrammersSalaryByCountry('spain');
const salary2 = getProgrammersSalaryByCountry('russia');
const salary3 = getProgrammersSalaryByCountry('usa');
console.log(salary1, salary2, salary3)
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