75 lines
1.5 KiB
Rust
75 lines
1.5 KiB
Rust
#[cfg(feature = "use_core")]
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extern crate core;
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#[macro_use]
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extern crate derivative;
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#[derive(Derivative)]
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#[derivative(Debug)]
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#[repr(C, packed)]
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struct Foo {
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foo: u8,
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#[derivative(Debug="ignore")]
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bar: u8,
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}
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#[derive(Derivative)]
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#[derivative(Debug)]
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#[repr(C, packed)]
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struct Bar (
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u8,
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#[derivative(Debug="ignore")]
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u8,
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);
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#[derive(Derivative)]
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#[derivative(Debug)]
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#[repr(C, packed)]
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struct F(#[derivative(Debug="ignore")] isize);
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#[derive(Derivative)]
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#[derivative(Debug)]
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#[repr(C, packed)]
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struct G(isize, #[derivative(Debug="ignore")] isize);
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#[derive(Derivative)]
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#[derivative(Debug)]
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#[repr(C, packed)]
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struct J(#[derivative(Debug="ignore")] NoDebug);
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#[derive(Derivative)]
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#[derivative(Debug)]
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#[repr(C, packed)]
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struct K(isize, #[derivative(Debug="ignore")] NoDebug);
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#[derive(Derivative)]
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#[derivative(Debug)]
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#[repr(C, packed)]
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struct L {
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#[derivative(Debug="ignore")]
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foo: NoDebug
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}
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struct NoDebug;
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trait ToDebug {
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fn to_show(&self) -> String;
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}
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impl<T: std::fmt::Debug> ToDebug for T {
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fn to_show(&self) -> String {
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format!("{:?}", self)
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}
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}
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#[test]
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fn main() {
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assert_eq!(Foo { foo: 42, bar: 1 }.to_show(), "Foo { foo: 42 }".to_string());
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assert_eq!(Bar(42, 1).to_show(), "Bar(42)".to_string());
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assert_eq!(F(42).to_show(), "F".to_string());
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assert_eq!(G(42, 0).to_show(), "G(42)".to_string());
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assert_eq!(J(NoDebug).to_show(), "J".to_string());
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assert_eq!(K(42, NoDebug).to_show(), "K(42)".to_string());
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assert_eq!(L{ foo: NoDebug }.to_show(), "L".to_string());
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}
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