scope # Time a function

    local proc timeFunction( f :: procedure ) :: number
        local startTime := os.clock();
        f();
        return os.clock() - startTime # execution time in milliseconds
    end;

    local proc toBeTimed()
        os.wait( 1.234 ) # sleep 1.234 seconds
    end

    print( timeFunction( toBeTimed ) / 1000, " seconds" )
end