Method flags

regex/regex-syntax/src/ast/mod.rs:1204–1209

If this group is non-capturing, then this returns the (possibly empty) set of flags. Otherwise, `None` is returned.

(&self)

    /// If this group is non-capturing, then this returns the (possibly empty)
    /// set of flags. Otherwise, `None` is returned.
    pub fn flags(&self) -> Option<&Flags> {
        match self.kind {
            GroupKind::NonCapturing(ref flags) => Some(flags),
            _ => None,
        }
    }

    /// Returns true if and only if this group is capturing.
    pub fn is_capturing(&self) -> bool {