41 lines
1019 B
Rust
41 lines
1019 B
Rust
//@ revisions: e2021 e2024
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//@[e2021] edition: 2021
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//@[e2024] edition: 2024
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//@[e2024] compile-flags: -Zunstable-options
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use std::env;
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#[deny(unsafe_op_in_unsafe_fn)]
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unsafe fn unsafe_fn() {
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env::set_var("FOO", "BAR");
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//[e2024]~^ ERROR call to unsafe function `std::env::set_var` is unsafe
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env::remove_var("FOO");
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//[e2024]~^ ERROR call to unsafe function `std::env::remove_var` is unsafe
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if false {
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unsafe_fn();
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//~^ ERROR call to unsafe function `unsafe_fn` is unsafe
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}
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}
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fn safe_fn() {}
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#[deny(unused_unsafe)]
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fn main() {
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env::set_var("FOO", "BAR");
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//[e2024]~^ ERROR call to unsafe function `set_var` is unsafe
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env::remove_var("FOO");
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//[e2024]~^ ERROR call to unsafe function `remove_var` is unsafe
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unsafe {
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env::set_var("FOO", "BAR");
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env::remove_var("FOO");
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}
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unsafe_fn();
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//~^ ERROR call to unsafe function `unsafe_fn` is unsafe
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unsafe {
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//~^ ERROR unnecessary `unsafe` block
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safe_fn();
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}
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}
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