Replace transmute with pointer cast

.github/workflows/ci.yml

@@ -44,7 +44,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        rust: [stable, 1.61.0, 1.34.0]
+        rust: [stable, 1.75.0]
     timeout-minutes: 45
     steps:
       - uses: actions/checkout@v4

Cargo.toml

@@ -8,7 +8,7 @@ documentation = "https://docs.rs/typeid"
 edition = "2018"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/dtolnay/typeid"
-rust-version = "1.34"
+rust-version = "1.75"
 
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]

build.rs

@@ -1,3 +1,5 @@
+#![allow(clippy::manual_let_else)]
+
 use std::env;
 use std::process::Command;
 use std::str;

src/lib.rs

@@ -107,7 +107,11 @@
 
 #![no_std]
 #![doc(html_root_url = "https://docs.rs/typeid/1.0.1")]
-#![allow(clippy::doc_markdown, clippy::inline_always)]
+#![allow(
+    clippy::doc_markdown,
+    clippy::inline_always,
+    clippy::unnecessary_cast, // https://github.com/rust-lang/rust-clippy/issues/12860
+)]
 
 extern crate self as typeid;
 
@@ -119,7 +123,7 @@ use core::fmt::{self, Debug};
 #[cfg(not(no_const_type_id))]
 use core::hash::{Hash, Hasher};
 use core::marker::PhantomData;
-use core::mem;
+use core::ptr;
 
 #[cfg(not(no_const_type_id))]
 #[derive(Copy, Clone)]
@@ -217,6 +221,6 @@ where
 
     let phantom_data = PhantomData::<T>;
     NonStaticAny::get_type_id(unsafe {
-        mem::transmute::<&dyn NonStaticAny, &(dyn NonStaticAny + 'static)>(&phantom_data)
+        &*(ptr::addr_of!(phantom_data) as *const (dyn NonStaticAny + 'static))
     })
 }