34 lines
730 B
Rust
34 lines
730 B
Rust
// edition:2021
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use core::{
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marker::PhantomPinned,
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mem::{drop as stuff, transmute},
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pin::{pin, Pin},
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};
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#[test]
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fn basic() {
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let it: Pin<&mut PhantomPinned> = pin!(PhantomPinned);
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stuff(it);
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}
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#[test]
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fn extension_works_through_block() {
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let it: Pin<&mut PhantomPinned> = { pin!(PhantomPinned) };
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stuff(it);
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}
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#[test]
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fn extension_works_through_unsafe_block() {
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// "retro-type-inference" works as well.
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let it: Pin<&mut PhantomPinned> = unsafe { pin!(transmute(())) };
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stuff(it);
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}
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#[test]
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fn unsize_coercion() {
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let slice: Pin<&mut [PhantomPinned]> = pin!([PhantomPinned; 2]);
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stuff(slice);
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let dyn_obj: Pin<&mut dyn Send> = pin!([PhantomPinned; 2]);
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stuff(dyn_obj);
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}
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