export function chainFirst(M) { return function (f) { return function (first) { return M.chain(first, function (a) { return M.map(f(a), function () { return a; }); }); }; }; } export function bind(M) { return function (name, f) { return function (ma) { return M.chain(ma, function (a) { return M.map(f(a), function (b) { var _a; return Object.assign({}, a, (_a = {}, _a[name] = b, _a)); }); }); }; }; }