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# Error directive

From cppreference.com
< cpp‎ | preprocessor

Shows the given error message and renders the program ill-formed.

### [edit] Syntax

`#error` error_message |  |

### [edit] Explanation

After encountering the `#error` directive, an implementation displays the diagnostic message error_message and renders the program ill-formed (the compilation stops).

error_message can consist of several words not necessarily in quotes.

### [edit] See also

C documentation for Error directive

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