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# Error directive

From cppreference.com
< cpp‎ | preprocessor

Shows given message and renders program ill-formed.

### [edit] Syntax

`#error` error_message |  |

### [edit] Explanation

After encountering `#error` directive, diagnostic message error_message is shown and the program is rendered ill-formed (the compilation is stopped).

error_message can consist of several words not necessarily in quotes.

### [edit] See also

- warning directive

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