29 lines
672 B
Rust
29 lines
672 B
Rust
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#![allow(dead_code)]
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#![warn(clippy::transmute_null_to_fn)]
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#![allow(clippy::zero_ptr)]
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// Easy to lint because these only span one line.
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fn one_liners() {
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unsafe {
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let _: fn() = std::mem::transmute(0 as *const ());
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let _: fn() = std::mem::transmute(std::ptr::null::<()>());
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}
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}
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pub const ZPTR: *const usize = 0 as *const _;
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pub const NOT_ZPTR: *const usize = 1 as *const _;
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fn transmute_const() {
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unsafe {
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// Should raise a lint.
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let _: fn() = std::mem::transmute(ZPTR);
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// Should NOT raise a lint.
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let _: fn() = std::mem::transmute(NOT_ZPTR);
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}
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}
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fn main() {
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one_liners();
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transmute_const();
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}
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