anandkunal

from types import FunctionType
from UserList import UserList

class PredicateList(UserList):
    def Exists(self, predicate):
        """Returns true if the predicate is satisfied by at least one list member."""
        if type(predicate) is FunctionType:
            for item in self.data:
                if predicate(item):
                    return True

anandkunal

// 1: older page for all mail
49: function() {
    currentPage = GrabCurrentAllMailPage();
    if (currentPage >= 2) {
        window.location.hash = "#all/p" + (currentPage-1);
    }
},

// 2: newer page for all mail
50: function() {