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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/issues/issue-6898.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/issues/issue-6898.rs')
-rw-r--r-- | tests/ui/issues/issue-6898.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tests/ui/issues/issue-6898.rs b/tests/ui/issues/issue-6898.rs new file mode 100644 index 000000000..44fd4bd07 --- /dev/null +++ b/tests/ui/issues/issue-6898.rs @@ -0,0 +1,33 @@ +// check-pass +// pretty-expanded FIXME #23616 + +use std::mem; + +/// Returns the size of a type +pub fn size_of<T>() -> usize { + TypeInfo::size_of(None::<T>) +} + +/// Returns the size of the type that `val` points to +pub fn size_of_val<T>(val: &T) -> usize { + val.size_of_val() +} + +pub trait TypeInfo: Sized { + fn size_of(_lame_type_hint: Option<Self>) -> usize; + fn size_of_val(&self) -> usize; +} + +impl<T> TypeInfo for T { + /// The size of the type in bytes. + fn size_of(_lame_type_hint: Option<T>) -> usize { + mem::size_of::<T>() + } + + /// Returns the size of the type of `self` in bytes. + fn size_of_val(&self) -> usize { + TypeInfo::size_of(None::<T>) + } +} + +pub fn main() {} |