Static cast

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C++ type conversion operator

title: "Static cast" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["c++", "type-theory", "articles-with-underscores-in-the-title"] description: "C++ type conversion operator" topic_path: "technology/computing" source: "https://en.wikipedia.org/wiki/Static_cast" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary C++ type conversion operator ::

In the C++ programming language, static_cast is an operator that performs an explicit type conversion.

Syntax

::code[lang=cpp] static_cast (object); ::

The type parameter must be a data type to which object can be converted via a known method, whether it be a builtin or a cast. The type can be a reference or an enumerator. All types of conversions that are well-defined and allowed by the compiler are performed using static_cast.

The static_cast operator can be used for operations such as:

Although static_cast conversions are checked at compile time to prevent obvious incompatibilities, no run-time type checking is performed that would prevent a cast between incompatible data types, such as pointers. A static_cast from a pointer to a class B to a pointer to a derived class D is ill-formed if B is an inaccessible or ambiguous base of D. A static_cast from a pointer of a virtual base class (or a base class of a virtual base class) to a pointer of a derived class is ill-formed.

References

References

  1. (2009). "Programming: Principles and Practice Using C++". Addison-Wesley.
  2. Eckel, Bruce. (2000). "Thinking in C++". [[Prentice Hall]].

::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::

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