/// Returns whether a given `TagTree` only contains unique entries.
Returns whether a given `TagTree` only contains unique entries.
Returns whether a given ` TagTree ` only contains unique entries .
pub const fn is_unique(&self) -> bool {
        match self {
            Self::Choice(tree) => Self::is_unique_set(tree),
            Self::Leaf(_) => true,
        }
    }
pub const fn is_unique ( & self ) -> bool { match self { Self :: Choice ( tree ) => Self :: is_unique_set ( tree ) , Self :: Leaf ( _ ) => true , } }
Returns whether a given `TagTree` only contains unique entries.
Returns whether a given ` TagTree ` only contains unique entries .
&self