forked from airat77786/MQL5Book
33 lines
1.2 KiB
MQL5
33 lines
1.2 KiB
MQL5
 | //+------------------------------------------------------------------+
| ||
//| StmtExpression.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"
| |||
| |||
// errors:
| |||
// 'Print' - unexpected token, probably type is missing?
| |||
// 'Hello, ' - declaration without type
| |||
// 'Hello, ' - comma expected
| |||
// 'Symbol' - declaration without type
| |||
// '(' - comma expected
| |||
// ')' - semicolon expected
| |||
// ')' - expressions are not allowed on a global scope
| |||
//
| |||
// Print("Hello, ", Symbol());
| |||
| |||
//+------------------------------------------------------------------+
| |||
//| Script program start function |
| |||
//+------------------------------------------------------------------+
| |||
void OnStart()
| |||
{
| |||
int i = 1, j = 2;
| |||
| |||
i + j; // warning: expression has no effect
| |||
| |||
Print("Hello, ", Symbol()); // ok: prints greeting in the log
| |||
}
| |||
//+------------------------------------------------------------------+
|