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2 Lexical conventions [lex] 2.11 Keywords [lex.key] 2 Lexical Conventions [2.11] lexical lexical keyword [Keyword] The identifiers shown in Table 3 are reserved for use as keywords (that is, they are unconditionally treated as keywords In Phase 7):
Table 3 - Keywords
asmdoifreturntypedefautodoubleinlineshorttypeidbooldynamic_castintsignedtypenamebreakelselongsizeofunioncaseenummutablestaticunsignedcatchexplicitnamespacestatic_castusingcharexportnewstructvirtualclassexternoperatorswitchvoidconstfalseprivatetemplatevolatileconst_castfloatprotectedthiswchar_tcontinueforpublicthrowwhiledefaultfriendregistertrue deletegotoreinterpret_casttry
The identifier shown in Table 3 is preserved as a keyword (that is, they unconditionally, they are related to keywords in the 7th phase):
Table 3 - Keyword
asmdoifreturntypedefautodoubleinlineshorttypeidbooldynamic_castintsignedtypenamebreakelselongsizeofunioncaseenummutablestaticunsignedcatchexplicitnamespacestatic_castusingcharexportnewstructvirtualclassexternoperatorswitchvoidconstfalseprivatetemplatevolatileconst_castfloatprotectedthiswchar_tcontinueforpublicthrowwhiledefaultfriendregistertrue deletegotoreinterpret_casttry
Furthermore, The Alternative Representation SHOWN TABLE 4 for Certain Operators and Punctuators (2.5) Are Reserved and Shall NOT BE USED Otherwise:
Table 4 - Alternative Representations
ANDAND_EQBITANDBITORCOMPLNOTNOTNOT_EQOROROR_EQXORXOR_EQ
Further, some operators listed in Table 4 and the candidate representation symbol (2.5) of the punctuation are preserved, nor can it be used.
Table 4 - candidate representation symbol
ANDAND_EQBITANDBITORCOMPLNOTNOTNOT_EQOROROR_EQXORXOR_EQ
