rust/tests/compile-fail/unicode.rs

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#![feature(plugin)]
#![plugin(clippy)]
#[deny(zero_width_space)]
fn zero() {
print!("Here >< is a ZWS, and another");
//~^ ERROR zero-width space detected
print!("This\u{200B}is\u{200B}fine");
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}
#[deny(unicode_not_nfc)]
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fn canon() {
print!("̀àh?"); //~ERROR non-nfc unicode sequence detected
print!("a\u{0300}h?"); // also okay
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}
#[deny(non_ascii_literal)]
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fn uni() {
print!("Üben!"); //~ERROR literal non-ASCII character detected
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print!("\u{DC}ben!"); // this is okay
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}
fn main() {
zero();
uni();
canon();
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}