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1 Definitionhttps://www.cppreference.com/cpp/language/constant_expression#Definition
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1.2 Other constant expression categorieshttps://www.cppreference.com/cpp/language/constant_expression#Other_constant_expression_categories
2 Literal typehttps://www.cppreference.com/cpp/language/constant_expression#Literal_type
3 Core constant expressionhttps://www.cppreference.com/cpp/language/constant_expression#Core_constant_expression
3.1 Extra requirementshttps://www.cppreference.com/cpp/language/constant_expression#Extra_requirements
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5 Converted constant expressionhttps://www.cppreference.com/cpp/language/constant_expression#Converted_constant_expression
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9 Usable in constant expressionshttps://www.cppreference.com/cpp/language/constant_expression#Usable_in_constant_expressions
10 Manifestly constant-evaluated expressionshttps://www.cppreference.com/cpp/language/constant_expression#Manifestly_constant-evaluated_expressions
11 Functions and variables needed for constant evaluationhttps://www.cppreference.com/cpp/language/constant_expression#Functions_and_variables_needed_for_constant_evaluation
12 Constant subexpressionhttps://www.cppreference.com/cpp/language/constant_expression#Constant_subexpression
13 Noteshttps://www.cppreference.com/cpp/language/constant_expression#Notes
14 Examplehttps://www.cppreference.com/cpp/language/constant_expression#Example
15 Defect reportshttps://www.cppreference.com/cpp/language/constant_expression#Defect_reports
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