Expressions
The Standard C++ syntax for a non-placement new expression is
new new-type-id ( optional-initializer-expression-list )
The placement syntax adds an expression list immediately after the new keyword. This expression list is the placement. It can contain any number of expressions.
new ( expression-list ) new-type-id ( optional-initializer-expression-list )
There is no placement delete expression.
Read more about this topic: Placement Syntax
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