26 lines
564 B
Rust
26 lines
564 B
Rust
// run-pass
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// Test that we can call static methods on ! both directly and when it appears in a generic
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#![feature(never_type)]
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trait StringifyType {
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fn stringify_type() -> &'static str;
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}
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impl StringifyType for ! {
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fn stringify_type() -> &'static str {
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"!"
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}
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}
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fn maybe_stringify<T: StringifyType>(opt: Option<T>) -> &'static str {
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match opt {
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Some(_) => T::stringify_type(),
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None => "none",
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}
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}
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fn main() {
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println!("! is {}", <!>::stringify_type());
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println!("None is {}", maybe_stringify(None::<!>));
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}
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