std::variant - cppreference. com The class template std::variant represents a type-safe union An instance of variant at any given time either holds a value of one of its alternative types, or in the case of error - no value (this state is hard to achieve, see valueless_by_exception)
Variant - Wikipedia This disambiguation page lists articles associated with the title Variant If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article
Variant (biology) - Wikipedia In microbiology and virology, the term variant or genetic variant is used to describe a subtype of a microorganism that is genetically distinct from a main strain, but not sufficiently different to be termed a distinct strain
Variant - definition of variant by The Free Dictionary Define variant variant synonyms, variant pronunciation, variant translation, English dictionary definition of variant adj 1 Differing from others of the same kind or from a standard: a variant form of the disease; a book in variant editions
COVID-19 variants: Whats the concern? - Mayo Clinic If a mutation changes how a virus acts in a group of people, it's called a variant Scientists across the world track the changes in the virus variants that cause COVID-19