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C++ Language/Type/Conversion/PromotingSmallIntegers

< C++ Language | Type | Conversion
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Often, there are no machine-language mathematical operators for integers smaller than int. Consequently, the compilation result of bTermA + bTermB where bTermA and bTermB are both unsigned char will "promote" both of these two terms into int before doing the addition.

Additional information about integer promotion (includes interactive examples)

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