rust/tests/ui/functions.rs

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#![warn(clippy::all)]
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#![allow(dead_code)]
#![allow(unused_unsafe)]
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// TOO_MANY_ARGUMENTS
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fn good(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool) {}
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fn bad(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool, _eight: ()) {}
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// don't lint extern fns
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extern "C" fn extern_fn(
_one: u32,
_two: u32,
_three: &str,
_four: bool,
_five: f32,
_six: f32,
_seven: bool,
_eight: (),
) {
}
pub trait Foo {
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fn good(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool);
fn bad(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool, _eight: ());
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fn ptr(p: *const u8);
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}
pub struct Bar;
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impl Bar {
fn good_method(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool) {}
fn bad_method(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool, _eight: ()) {}
}
// ok, we dont want to warn implementations
impl Foo for Bar {
fn good(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool) {}
fn bad(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool, _eight: ()) {}
fn ptr(p: *const u8) {
println!("{}", unsafe { *p });
println!("{:?}", unsafe { p.as_ref() });
unsafe { std::ptr::read(p) };
}
}
// NOT_UNSAFE_PTR_ARG_DEREF
fn private(p: *const u8) {
println!("{}", unsafe { *p });
}
pub fn public(p: *const u8) {
println!("{}", unsafe { *p });
println!("{:?}", unsafe { p.as_ref() });
unsafe { std::ptr::read(p) };
}
impl Bar {
fn private(self, p: *const u8) {
println!("{}", unsafe { *p });
}
pub fn public(self, p: *const u8) {
println!("{}", unsafe { *p });
println!("{:?}", unsafe { p.as_ref() });
unsafe { std::ptr::read(p) };
}
pub fn public_ok(self, p: *const u8) {
if !p.is_null() {
println!("{:p}", p);
}
}
pub unsafe fn public_unsafe(self, p: *const u8) {
println!("{}", unsafe { *p });
println!("{:?}", unsafe { p.as_ref() });
}
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}
fn main() {}