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warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
--> $DIR/fn-ptr-comparisons-weird.rs:5:5
|
LL | #[derive(PartialEq, Eq)]
| --------- in this derive macro expansion
LL | struct A {
LL | f: fn(),
| ^^^^^^^
|
= note: the address of the same function can vary between different codegen units
= note: furthermore, different functions could have the same address after being merged together
= note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
= note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
--> $DIR/fn-ptr-comparisons-weird.rs:25:13
|
LL | let _ = f > g;
| ^^^^^
|
= note: the address of the same function can vary between different codegen units
= note: furthermore, different functions could have the same address after being merged together
= note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
--> $DIR/fn-ptr-comparisons-weird.rs:27:13
|
LL | let _ = f >= g;
| ^^^^^^
|
= note: the address of the same function can vary between different codegen units
= note: furthermore, different functions could have the same address after being merged together
= note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
--> $DIR/fn-ptr-comparisons-weird.rs:29:13
|
LL | let _ = f <= g;
| ^^^^^^
|
= note: the address of the same function can vary between different codegen units
= note: furthermore, different functions could have the same address after being merged together
= note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
--> $DIR/fn-ptr-comparisons-weird.rs:31:13
|
LL | let _ = f < g;
| ^^^^^
|
= note: the address of the same function can vary between different codegen units
= note: furthermore, different functions could have the same address after being merged together
= note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
--> $DIR/fn-ptr-comparisons-weird.rs:33:13
|
LL | let _ = assert_eq!(g, g);
| ^^^^^^^^^^^^^^^^
|
= note: the address of the same function can vary between different codegen units
= note: furthermore, different functions could have the same address after being merged together
= note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
= note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
--> $DIR/fn-ptr-comparisons-weird.rs:35:13
|
LL | let _ = assert_ne!(g, g);
| ^^^^^^^^^^^^^^^^
|
= note: the address of the same function can vary between different codegen units
= note: furthermore, different functions could have the same address after being merged together
= note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
= note: this warning originates in the macro `assert_ne` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: 7 warnings emitted
|
