forked from rosh/MQL5Book
31 lines
1.2 KiB
MQL5
31 lines
1.2 KiB
MQL5
 | //+------------------------------------------------------------------+
| ||
//| ExprAssign.mq5 |
| |||
//| Copyright 2021, MetaQuotes Ltd. |
| |||
//| https://www.mql5.com |
| |||
//+------------------------------------------------------------------+
| |||
| |||
#property copyright "Copyright 2021, MetaQuotes Ltd."
| |||
#property link "https://www.mql5.com"
| |||
#property version "1.00"
| |||
| |||
//+------------------------------------------------------------------+
| |||
//| Script program start function |
| |||
//+------------------------------------------------------------------+
| |||
void OnStart()
| |||
{
| |||
const double cx = 123.0;
| |||
int x, a[5] = {1};
| |||
string s;
| |||
| |||
a[2] = 21; // ok
| |||
x = a[0] + a[1] + a[2]; // ok
| |||
s = Symbol(); // ok
| |||
/*
| |||
int y;
| |||
cx = 0; // error: 'cx' - constant cannot be modified
| |||
5 = y; // error: '5' - l-value required
| |||
x + y = 3; // error: l-value required
| |||
Symbol() = "GBPUSD"; // error: l-value required
| |||
*/
| |||
}
| |||
//+------------------------------------------------------------------+
|