Macro ident_unique

ident_unique!() { /* proc-macro */ }

devela_macros Returns the number of unique identifiers in its input.

This macro does not differentiate between different kinds of identifiers nor check their validity in context. It simply counts all unique identifiers, discarding the rest.

See also ident_total!, ident_total_unique!.

Examples

assert_eq![ident_unique!(a, a 東 r#true; a3 != 3a), 4];