statement: labeled-statement attribute-specifier-seq expression-statement attribute-specifier-seq compound-statement attribute-specifier-seq selection-statement attribute-specifier-seq iteration-statement attribute-specifier-seq jump-statement declaration-statement attribute-specifier-seq try-block init-statement: expression-statement simple-declaration condition: expression attribute-specifier-seq decl-specifier-seq declarator brace-or-equal-initializer
labeled-statement: attribute-specifier-seq identifier : statement attribute-specifier-seq case constant-expression : statement attribute-specifier-seq default : statement
expression-statement: expression ;
compound-statement: { statement-seq }
statement-seq: statement statement-seq statement
selection-statement: if constexpr ( init-statement condition ) statement if constexpr ( init-statement condition ) statement else statement switch ( init-statement condition ) statement
iteration-statement: while ( condition ) statement do statement while ( expression ) ; for ( init-statement condition ; expression ) statement for ( init-statement for-range-declaration : for-range-initializer ) statement
for-range-declaration: attribute-specifier-seq decl-specifier-seq declarator attribute-specifier-seq decl-specifier-seq ref-qualifier [ identifier-list ]
for-range-initializer: expr-or-braced-init-list
jump-statement: break ; continue ; return expr-or-braced-init-list ; coroutine-return-statement goto identifier ;
coroutine-return-statement: co_return expr-or-braced-init-list ;
declaration-statement: block-declaration