117 lines
3.5 KiB
Rust
117 lines
3.5 KiB
Rust
//@ check-pass
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//@ edition: 2018
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//@ run-rustfix
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#![allow(unused)]
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#![warn(unreachable_pub)]
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mod private_mod {
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// non-leaked `pub` items in private module should be linted
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pub(crate) use std::fmt; //~ WARNING unreachable_pub
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pub(crate) use std::env::{Args}; // braced-use has different item spans than unbraced
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//~^ WARNING unreachable_pub
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// we lint on struct definition
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pub(crate) struct Hydrogen { //~ WARNING unreachable_pub
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// but not on fields, even if they are `pub` as putting `pub(crate)`
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// it would clutter the source code for little value
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pub neutrons: usize,
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pub(crate) electrons: usize
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}
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pub(crate) struct Calcium {
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pub neutrons: usize,
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}
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impl Hydrogen {
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// impls, too
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pub(crate) fn count_neutrons(&self) -> usize { self.neutrons } //~ WARNING unreachable_pub
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pub(crate) fn count_electrons(&self) -> usize { self.electrons }
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}
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impl Clone for Hydrogen {
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fn clone(&self) -> Hydrogen {
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Hydrogen { neutrons: self.neutrons, electrons: self.electrons }
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}
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}
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pub(crate) enum Helium {} //~ WARNING unreachable_pub
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pub(crate) union Lithium { c1: usize, c2: u8 } //~ WARNING unreachable_pub
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pub(crate) fn beryllium() {} //~ WARNING unreachable_pub
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pub(crate) trait Boron {} //~ WARNING unreachable_pub
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pub(crate) const CARBON: usize = 1; //~ WARNING unreachable_pub
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pub(crate) static NITROGEN: usize = 2; //~ WARNING unreachable_pub
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pub(crate) type Oxygen = bool; //~ WARNING unreachable_pub
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macro_rules! define_empty_struct_with_visibility {
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($visibility: vis, $name: ident) => { $visibility struct $name {} }
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//~^ WARNING unreachable_pub
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}
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define_empty_struct_with_visibility!(pub(crate), Fluorine);
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extern "C" {
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pub(crate) fn catalyze() -> bool; //~ WARNING unreachable_pub
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}
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mod private_in_private {
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pub(super) enum Helium {} //~ WARNING unreachable_pub
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pub(super) fn beryllium() {} //~ WARNING unreachable_pub
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}
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pub(crate) mod crate_in_private {
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pub(crate) const CARBON: usize = 1; //~ WARNING unreachable_pub
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}
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pub(crate) mod pub_in_private { //~ WARNING unreachable_pub
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pub(crate) static NITROGEN: usize = 2; //~ WARNING unreachable_pub
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}
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fn foo() {
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const {
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pub(crate) struct Foo; //~ WARNING unreachable_pub
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};
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}
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enum Weird {
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Variant = {
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pub(crate) struct Foo; //~ WARNING unreachable_pub
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mod tmp {
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pub(crate) struct Bar; //~ WARNING unreachable_pub
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}
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let _ = tmp::Bar;
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0
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},
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}
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pub(crate) use fpu_precision::set_precision; //~ WARNING unreachable_pub
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mod fpu_precision {
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pub(crate) fn set_precision<T>() {} //~ WARNING unreachable_pub
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pub(super) fn set_micro_precision<T>() {} //~ WARNING unreachable_pub
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}
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// items leaked through signatures (see `get_neon` below) are OK
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pub struct Neon {}
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// crate-visible items are OK
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pub(crate) struct Sodium {}
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}
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pub mod public_mod {
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// module is public: these are OK, too
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pub struct Magnesium {}
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pub(crate) struct Aluminum {}
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}
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pub fn get_neon() -> private_mod::Neon {
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private_mod::Neon {}
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}
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fn main() {
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let _ = get_neon();
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let _ = private_mod::beryllium();
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let _ = private_mod::crate_in_private::CARBON;
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let _ = private_mod::pub_in_private::NITROGEN;
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let _ = unsafe { private_mod::catalyze() };
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}
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