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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@celo/contractkit/node_modules/fp-ts/lib
Просмотр файла: BooleanAlgebra.js
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
* @since 2.0.0
*/
exports.booleanAlgebraBoolean = {
meet: function (x, y) { return x && y; },
join: function (x, y) { return x || y; },
zero: false,
one: true,
implies: function (x, y) { return !x || y; },
not: function (x) { return !x; }
};
/**
* @since 2.0.0
*/
exports.booleanAlgebraVoid = {
meet: function () { return undefined; },
join: function () { return undefined; },
zero: undefined,
one: undefined,
implies: function () { return undefined; },
not: function () { return undefined; }
};
/**
* @since 2.0.0
*/
function getFunctionBooleanAlgebra(B) {
return function () { return ({
meet: function (x, y) { return function (a) { return B.meet(x(a), y(a)); }; },
join: function (x, y) { return function (a) { return B.join(x(a), y(a)); }; },
zero: function () { return B.zero; },
one: function () { return B.one; },
implies: function (x, y) { return function (a) { return B.implies(x(a), y(a)); }; },
not: function (x) { return function (a) { return B.not(x(a)); }; }
}); };
}
exports.getFunctionBooleanAlgebra = getFunctionBooleanAlgebra;
/**
* Every boolean algebras has a dual algebra, which involves reversing one/zero as well as join/meet.
*
* @since 2.0.0
*/
function getDualBooleanAlgebra(B) {
return {
meet: function (x, y) { return B.join(x, y); },
join: function (x, y) { return B.meet(x, y); },
zero: B.one,
one: B.zero,
implies: function (x, y) { return B.join(B.not(x), y); },
not: B.not
};
}
exports.getDualBooleanAlgebra = getDualBooleanAlgebra;
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