xsd-parser 1.5.2

use regex::Regex;
use std::sync::LazyLock;
use xsd_parser_types::quick_xml::ValidateError;
pub type Foo = FooType;
#[derive(Debug)]
pub struct FooType {
    pub union_: UnionType,
}
#[derive(Debug)]
pub enum UnionType {
    I32(i32),
    String(String),
}
impl UnionType {
    pub fn validate_str(s: &str) -> Result<(), ValidateError> {
        static PATTERNS: LazyLock<[(&str, Regex); 1usize]> =
            LazyLock::new(|| [("[a-z0-9]+", Regex::new("^(?:[a-z0-9]+)$").unwrap())]);
        if !PATTERNS.iter().any(|(_, regex)| regex.is_match(s)) {
            return Err(ValidateError::Pattern(PATTERNS[0usize].0));
        }
        Ok(())
    }
}