Many coders forget that you can use the "return" statement before the
end of the function. At least most people who finished some coding
course hardly ever do this. It usually simplifies many functions:
exports.get_user = function (id, func) {
for (var i = 0, z = users.length; i < z; i ++) {
var u = users[i];
if (u.id === id) {
func(null, u);
return;
}
}
func('NOT_FOUND', null);
}
Depending on optimizing speed vs memory use, or if this function is
heavly used compared to only seldomly (profiler!) l it might be a good
idea to keep a table handy, where the users are sorted with their id.
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