Class Repetition

regex/regex-syntax/src/hir/mod.rs:1320–1333

/// sub-expression.
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct Repetition {
    /// The kind of this repetition operator.
    pub kind: RepetitionKind,
    /// Whether this repetition operator is greedy or not. A greedy operator
    /// will match as much as it can. A non-greedy operator will match as
    /// little as it can.
    ///
    /// Typically, operators are greedy by default and are only non-greedy when
    /// a `?` suffix is used, e.g., `(expr)*` is greedy while `(expr)*?` is
    /// not. However, this can be inverted via the `U` "ungreedy" flag.
    pub greedy: bool,
    /// The expression being repeated.
    pub hir: Box<Hir>,
}

impl Repetition {
    /// Returns true if and only if this repetition operator makes it possible