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compound-statements-blocks.md

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title Compound Statements (Blocks) | Microsoft Docs
ms.custom
ms.date 11/04/2016
ms.technology
cpp-language
ms.topic language-reference
f1_keywords
}
{
dev_langs
C++
helpviewer_keywords
blocks, about blocks
compound statements
ms.assetid 23855939-7430-498e-8936-0c70055ea701
author mikeblome
ms.author mblome
ms.workload
cplusplus

Compound Statements (Blocks)

A compound statement consists of zero or more statements enclosed in curly braces ({ }). A compound statement can be used anywhere a statement is expected. Compound statements are commonly called "blocks."

Syntax

{ [ statement-list ] }

Remarks

The following example uses a compound statement as the statement part of the if statement (see The if Statement for details about the syntax):

if( Amount > 100 )  
{  
    cout << "Amount was too large to handle\n";  
    Alert();  
}  
else  
{
    Balance -= Amount;  
}

Note

Because a declaration is a statement, a declaration can be one of the statements in the statement-list. As a result, names declared inside a compound statement, but not explicitly declared as static, have local scope and (for objects) lifetime. See Scope for details about treatment of names with local scope.

See also

Overview of C++ Statements