63 lines
1.6 KiB
Rust
63 lines
1.6 KiB
Rust
//@revisions: private all
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//@[private] rustc-env:CLIPPY_CONF_DIR=tests/ui/ref_option/private
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//@[all] rustc-env:CLIPPY_CONF_DIR=tests/ui/ref_option/all
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#![allow(unused, clippy::needless_lifetimes, clippy::borrowed_box)]
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#![warn(clippy::ref_option)]
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fn opt_u8(a: Option<&u8>) {}
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fn opt_gen<T>(a: Option<&T>) {}
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fn opt_string(a: std::option::Option<&String>) {}
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fn ret_string<'a>(p: &'a str) -> Option<&'a u8> {
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panic!()
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}
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fn ret_string_static() -> Option<&'static u8> {
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panic!()
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}
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fn mult_string(a: Option<&String>, b: Option<&Vec<u8>>) {}
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fn ret_box<'a>() -> Option<&'a Box<u8>> {
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panic!()
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}
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pub fn pub_opt_string(a: Option<&String>) {}
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pub fn pub_mult_string(a: Option<&String>, b: Option<&Vec<u8>>) {}
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pub trait PubTrait {
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fn pub_trait_opt(&self, a: Option<&Vec<u8>>);
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fn pub_trait_ret(&self) -> Option<&Vec<u8>>;
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}
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trait PrivateTrait {
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fn trait_opt(&self, a: Option<&String>);
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fn trait_ret(&self) -> Option<&String>;
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}
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pub struct PubStruct;
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impl PubStruct {
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pub fn pub_opt_params(&self, a: Option<&()>) {}
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pub fn pub_opt_ret(&self) -> Option<&String> {
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panic!()
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}
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fn private_opt_params(&self, a: Option<&()>) {}
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fn private_opt_ret(&self) -> Option<&String> {
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panic!()
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}
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}
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// valid, don't change
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fn mut_u8(a: &mut Option<u8>) {}
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pub fn pub_mut_u8(a: &mut Option<String>) {}
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// might be good to catch in the future
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fn mut_u8_ref(a: &mut &Option<u8>) {}
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pub fn pub_mut_u8_ref(a: &mut &Option<String>) {}
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fn lambdas() {
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// Not handled for now, not sure if we should
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let x = |a: &Option<String>| {};
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let x = |a: &Option<String>| -> &Option<String> { panic!() };
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}
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fn main() {}
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