function AntiLeaker takes nothing returns boolean
    return true
endfunction

//===========================================================================
function InitTrig_Frozen_Blast takes nothing returns nothing
    local trigger t = CreateTrigger( )
    local filterfunc f = Filter(function AntiLeaker)
    local integer i = 0
    loop
        call TriggerRegisterPlayerUnitEvent(t, Player(i), EVENT_PLAYER_UNIT_SPELL_EFFECT, f)
        set i = i + 1
        exitwhen i == 16
    endloop
    call TriggerAddCondition(t, Condition( function Trig_Blast_Conditions ) )
    call TriggerAddAction(t, function Trig_Blast_Actions )
    call DestroyFilter(f)
    set f = null
    set t = null
endfunction

function B takes nothing returns boolean
return GetWidgetLife(GetFilterUnit())>0
endfunction

function A takes nothing returns nothing
call GroupEnumUnitsInRange(g,x,y,350.,Filter(function B))
endfunction

function B takes nothing returns boolean
return GetWidgetLife(GetTriggerUnit())>0
endfunction

function A takes nothing returns nothing
call TriggerAddCondition(t,Filter(function B))
endfunction