1ceb81b345
We bump `rust-version` to pick up the new impl from https://github.com/rust-lang/rust/pull/61498 and add a test.
16 lines
463 B
Rust
16 lines
463 B
Rust
#![feature(core_intrinsics)]
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use std::intrinsics::type_name;
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use std::mem::{size_of, size_of_val};
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fn main() {
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assert_eq!(size_of::<Option<i32>>(), 8);
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assert_eq!(size_of_val(&()), 0);
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assert_eq!(size_of_val(&42), 4);
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assert_eq!(size_of_val(&[] as &[i32]), 0);
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assert_eq!(size_of_val(&[1, 2, 3] as &[i32]), 12);
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assert_eq!(size_of_val("foobar"), 6);
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assert_eq!(unsafe { type_name::<Option<i32>>() }, "core::option::Option<i32>");
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}
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