61 lines
891 B
Rust
61 lines
891 B
Rust
#![allow(unused, clippy::needless_lifetimes)]
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#![warn(clippy::missing_trait_methods)]
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trait A {
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fn provided() {}
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}
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trait B {
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fn required();
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fn a(_: usize) -> usize {
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1
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}
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fn b<'a, T: AsRef<[u8]>>(a: &'a T) -> &'a [u8] {
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a.as_ref()
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}
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}
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struct Partial;
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impl A for Partial {}
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//~^ ERROR: missing trait method provided by default: `provided`
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impl B for Partial {
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//~^ ERROR: missing trait method provided by default: `b`
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fn required() {}
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fn a(_: usize) -> usize {
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2
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}
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}
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struct Complete;
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impl A for Complete {
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fn provided() {}
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}
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impl B for Complete {
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fn required() {}
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fn a(_: usize) -> usize {
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2
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}
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fn b<T: AsRef<[u8]>>(a: &T) -> &[u8] {
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a.as_ref()
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}
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}
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trait MissingMultiple {
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fn one() {}
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fn two() {}
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fn three() {}
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}
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impl MissingMultiple for Partial {}
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fn main() {}
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