Here is a list of all documented class members with links to the class documentation for each member:

- i -

• index() : error_set< T > , variant< T >
• invert() : result< T, E >
• is_equivalent_v : is_equivalent< ES1, ES2 >
• is_error() : result< T, E >
• is_none() : option< T >
• is_ok() : result< T, E >
• is_some() : option< T >
• is_subset_of_v : is_subset_of< ES1, ES2 >