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rust-clippy/tests/ui/unicode.rs

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#[warn(clippy::zero_width_space)]
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fn zero() {
print!("Here >< is a ZWS, and another");
print!("This\u{200B}is\u{200B}fine");
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}
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#[warn(clippy::unicode_not_nfc)]
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fn canon() {
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print!("̀àh?");
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print!("a\u{0300}h?"); // also ok
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}
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#[warn(clippy::non_ascii_literal)]
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fn uni() {
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print!("Üben!");
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print!("\u{DC}ben!"); // this is ok
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}
fn main() {
zero();
uni();
canon();
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}