diff --git a/library/core/src/panic/location.rs b/library/core/src/panic/location.rs index 8eefd9ff20db2..6dcf23dde87c7 100644 --- a/library/core/src/panic/location.rs +++ b/library/core/src/panic/location.rs @@ -123,8 +123,9 @@ impl<'a> Location<'a> { /// ``` #[must_use] #[stable(feature = "panic_hooks", since = "1.10.0")] + #[rustc_const_unstable(feature = "const_location_fields", issue = "102911")] #[inline] - pub fn file(&self) -> &str { + pub const fn file(&self) -> &str { self.file } @@ -147,8 +148,9 @@ impl<'a> Location<'a> { /// ``` #[must_use] #[stable(feature = "panic_hooks", since = "1.10.0")] + #[rustc_const_unstable(feature = "const_location_fields", issue = "102911")] #[inline] - pub fn line(&self) -> u32 { + pub const fn line(&self) -> u32 { self.line } @@ -171,8 +173,9 @@ impl<'a> Location<'a> { /// ``` #[must_use] #[stable(feature = "panic_col", since = "1.25.0")] + #[rustc_const_unstable(feature = "const_location_fields", issue = "102911")] #[inline] - pub fn column(&self) -> u32 { + pub const fn column(&self) -> u32 { self.col } } diff --git a/library/core/tests/lib.rs b/library/core/tests/lib.rs index ca0c7a54b3e24..a698e6e99e10c 100644 --- a/library/core/tests/lib.rs +++ b/library/core/tests/lib.rs @@ -7,6 +7,7 @@ #![feature(const_assume)] #![feature(const_black_box)] #![feature(const_bool_to_option)] +#![feature(const_caller_location)] #![feature(const_cell_into_inner)] #![feature(const_convert)] #![feature(const_heap)] @@ -20,6 +21,7 @@ #![feature(const_ptr_write)] #![feature(const_trait_impl)] #![feature(const_likely)] +#![feature(const_location_fields)] #![feature(core_intrinsics)] #![feature(core_private_bignum)] #![feature(core_private_diy_float)] @@ -131,6 +133,7 @@ mod nonzero; mod num; mod ops; mod option; +mod panic; mod pattern; mod pin; mod pin_macro; diff --git a/library/core/tests/panic.rs b/library/core/tests/panic.rs new file mode 100644 index 0000000000000..24b6c56b35691 --- /dev/null +++ b/library/core/tests/panic.rs @@ -0,0 +1 @@ +mod location; diff --git a/library/core/tests/panic/location.rs b/library/core/tests/panic/location.rs new file mode 100644 index 0000000000000..d20241d838001 --- /dev/null +++ b/library/core/tests/panic/location.rs @@ -0,0 +1,31 @@ +use core::panic::Location; + +// Note: Some of the following tests depend on the source location, +// so please be careful when editing this file. + +#[test] +fn location_const_caller() { + const _CALLER_REFERENCE: &Location<'static> = Location::caller(); + const _CALLER: Location<'static> = *Location::caller(); +} + +#[test] +fn location_const_file() { + const CALLER: &Location<'static> = Location::caller(); + const FILE: &str = CALLER.file(); + assert_eq!(FILE, file!()); +} + +#[test] +fn location_const_line() { + const CALLER: &Location<'static> = Location::caller(); + const LINE: u32 = CALLER.line(); + assert_eq!(LINE, 21); +} + +#[test] +fn location_const_column() { + const CALLER: &Location<'static> = Location::caller(); + const COLUMN: u32 = CALLER.column(); + assert_eq!(COLUMN, 40); +}