Revision control
Copy as Markdown
Other Tools
extern crate unicode_xid;
use unicode_xid::UnicodeXID;
/// A `char` in Rust is a Unicode Scalar Value
///
fn all_valid_chars() -> impl Iterator<Item = char> {
(0u32..=0xD7FF).chain(0xE000u32..=0x10FFFF).map(|u| {
core::convert::TryFrom::try_from(u)
.expect("The selected range should be infallible if the docs match impl")
})
}
#[test]
fn all_valid_chars_do_not_panic_for_is_xid_start() {
for c in all_valid_chars() {
let _ = UnicodeXID::is_xid_start(c);
}
}
#[test]
fn all_valid_chars_do_not_panic_for_is_xid_continue() {
for c in all_valid_chars() {
let _ = UnicodeXID::is_xid_continue(c);
}
}