Сергей Че (Все сообщения пользователя)

if sec.data_source then  -- sec - торгуемый инструмент
    sec.data_source:Close()
end
sec.data_source = _G[ 'CreateDataSource' ]( sec.class, sec.code, _G[ 'INTERVAL_M1' ] )
if not sec.data_source then
    log.error( '...' )
end

$ lua
Lua 5.4.8  Copyright (C) 1994-2025 Lua.org, PUC-Rio
> f = function(x) return x*x end
> f(6)
36
> t = {aaa = f}
> t.aaa(8)
64
> t = nil
> t.aaa(3)
stdin:1: attempt to index a nil value (global 't')
stack traceback:
   stdin:1: in main chunk
   [C]: in ?
> f(4)
16

function get_money()
    local t = getFuturesLimit( firmid, account, 0, "" )
    return t and ( t.cbplused + t.cbplplanned + t.varmargin + t.accruedint - t.ts_comission )
    -- ну или ...
    -- return t and ( t.cbplimit + t.varmargin + t.accruedint - t.ts_comission )
end

local t = getFuturesLimit( ... )
return t.cbplused + t.cbplplanned + t.varmargin + t.accruedint - t.ts_comission