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10 lines
412 B
10 lines
412 B
## Compilers now have a `has_define` method |
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This method returns true if the given preprocessor symbol is |
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defined, else false is returned. This is useful is cases where |
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an empty define has to be distinguished from a non-set one, which |
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is not possible using `get_define`. |
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Additionally it makes intent clearer for code that only needs |
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to check if a specific define is set at all and does not care |
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about its value. |