regexsolver 1.0.0

High-performance Rust library for building, combining, and analyzing regular expressions and finite automata
Documentation 
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/// Represents a cardinality: either a specific integer, a number too large to represent exactly, or infinite.
#[derive(PartialEq, Eq, Debug, Clone)]
pub enum Cardinality<U> {
    /// An infinite number.
    Infinite,
    /// A finite number.
    Integer(U),
    /// A finite number too big to be represented.
    BigInteger,
}