91 lines
2.1 KiB
Rust
91 lines
2.1 KiB
Rust
//@no-rustfix
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#![allow(dead_code)]
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#![feature(allocator_api)]
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use std::alloc::{AllocError, Allocator, Layout};
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use std::ptr::NonNull;
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struct SizedStruct(i32);
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struct UnsizedStruct([i32]);
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struct BigStruct([i32; 10000]);
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struct DummyAllocator;
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unsafe impl Allocator for DummyAllocator {
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fn allocate(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError> {
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todo!()
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}
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unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: Layout) {
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todo!()
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}
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}
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/// The following should trigger the lint
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mod should_trigger {
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use super::{DummyAllocator, SizedStruct};
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const C: Vec<Box<i32>> = Vec::new();
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static S: Vec<Box<i32>> = Vec::new();
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struct StructWithVecBox {
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sized_type: Vec<Box<SizedStruct>>,
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}
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struct A(Vec<Box<SizedStruct>>);
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struct B(Vec<Vec<Box<(u32)>>>);
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fn allocator_global_defined_vec() -> Vec<Box<i32>, std::alloc::Global> {
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Vec::new()
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}
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fn allocator_global_defined_box() -> Vec<Box<i32, std::alloc::Global>> {
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Vec::new()
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}
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fn allocator_match() -> Vec<Box<i32, DummyAllocator>, DummyAllocator> {
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Vec::new_in(DummyAllocator)
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}
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}
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/// The following should not trigger the lint
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mod should_not_trigger {
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use super::{BigStruct, DummyAllocator, UnsizedStruct};
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struct C(Vec<Box<UnsizedStruct>>);
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struct D(Vec<Box<BigStruct>>);
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struct StructWithVecBoxButItsUnsized {
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unsized_type: Vec<Box<UnsizedStruct>>,
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}
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struct TraitVec<T: ?Sized> {
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// Regression test for #3720. This was causing an ICE.
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inner: Vec<Box<T>>,
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}
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fn allocator_mismatch() -> Vec<Box<i32, DummyAllocator>> {
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Vec::new()
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}
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fn allocator_mismatch_2() -> Vec<Box<i32>, DummyAllocator> {
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Vec::new_in(DummyAllocator)
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}
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}
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mod inner_mod {
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mod inner {
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pub struct S;
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}
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mod inner2 {
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use super::inner::S;
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pub fn f() -> Vec<Box<S>> {
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vec![]
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}
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}
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}
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// https://github.com/rust-lang/rust-clippy/issues/11417
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fn in_closure() {
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let _ = |_: Vec<Box<dyn ToString>>| {};
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}
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fn main() {}
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