34 lines
657 B
Rust
34 lines
657 B
Rust
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//@ compile-flags: -Zfmt-debug=shallow
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//@ run-pass
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#![feature(fmt_debug)]
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#![allow(dead_code)]
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#![allow(unused)]
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#[derive(Debug)]
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struct Foo {
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bar: u32,
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bomb: Bomb,
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}
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#[derive(Debug)]
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enum Baz {
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Quz,
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}
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struct Bomb;
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impl std::fmt::Debug for Bomb {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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panic!()
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}
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}
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fn main() {
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let s = format!("Debug is '{:?}' and '{:#?}'", Foo { bar: 1, bomb: Bomb }, Baz::Quz);
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assert_eq!("Debug is 'Foo' and 'Quz'", s);
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let f = 3.0;
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let s = format_args!("{:?}{:#?}{f:?}", 1234, cfg!(fmt_debug = "shallow")).to_string();
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assert_eq!("1234true3.0", s);
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}
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