How to use the once function from hoek

index.js

GitHub: codedebug/wreck

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    if (callback) {
        return callback(err, res);
    }
};

finish = Hoek.once(finish);

var onError = function (err) {

    err.trace = _trace;

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policy.js

GitHub: Marsup/catbox

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internals.Policy.prototype._generate = function (id, key, cached, report, callback) {

    var self = this;

    var finalize = Hoek.once(function (id, err, value, cached, report) {

        return self._finalize(id, err, value, cached, report);
    });

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handler.js

GitHub: Ronzelofficial/angularjava

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};

request._protect.run('handler', finalize, function (exit) {

    if (request._route._prerequisites) {
        internals.prerequisites(request, Hoek.once(exit));
    }
    else {
        internals.handler(request, exit);
    }

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+ 3 other calls in file

reply.js

GitHub: bielcapanema/hapi

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    reply.entity = internals.entity;
}

reply._settings = options;
reply._replied = false;
reply._next = Hoek.once(next);

reply.realm = realm;
reply.request = request;

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