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Add diagnostic items for legacy numeric constants #121272

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Feb 19, 2024
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Add diagnostic items for legacy numeric constants #121272

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14 changes: 14 additions & 0 deletions library/core/src/num/f32.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@ use crate::num::FpCategory;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `RADIX` associated constant on `f32`")]
#[rustc_diagnostic_item = "f32_legacy_const_radix"]
pub const RADIX: u32 = f32::RADIX;

/// Number of significant digits in base 2.
Expand All @@ -52,6 +53,7 @@ pub const RADIX: u32 = f32::RADIX;
since = "TBD",
note = "replaced by the `MANTISSA_DIGITS` associated constant on `f32`"
)]
#[rustc_diagnostic_item = "f32_legacy_const_mantissa_dig"]
pub const MANTISSA_DIGITS: u32 = f32::MANTISSA_DIGITS;

/// Approximate number of significant digits in base 10.
Expand All @@ -69,6 +71,7 @@ pub const MANTISSA_DIGITS: u32 = f32::MANTISSA_DIGITS;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `DIGITS` associated constant on `f32`")]
#[rustc_diagnostic_item = "f32_legacy_const_digits"]
pub const DIGITS: u32 = f32::DIGITS;

/// [Machine epsilon] value for `f32`.
Expand All @@ -90,6 +93,7 @@ pub const DIGITS: u32 = f32::DIGITS;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `EPSILON` associated constant on `f32`")]
#[rustc_diagnostic_item = "f32_legacy_const_epsilon"]
pub const EPSILON: f32 = f32::EPSILON;

/// Smallest finite `f32` value.
Expand All @@ -107,6 +111,7 @@ pub const EPSILON: f32 = f32::EPSILON;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `MIN` associated constant on `f32`")]
#[rustc_diagnostic_item = "f32_legacy_const_min"]
pub const MIN: f32 = f32::MIN;

/// Smallest positive normal `f32` value.
Expand All @@ -124,6 +129,7 @@ pub const MIN: f32 = f32::MIN;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `MIN_POSITIVE` associated constant on `f32`")]
#[rustc_diagnostic_item = "f32_legacy_const_min_positive"]
pub const MIN_POSITIVE: f32 = f32::MIN_POSITIVE;

/// Largest finite `f32` value.
Expand All @@ -141,6 +147,7 @@ pub const MIN_POSITIVE: f32 = f32::MIN_POSITIVE;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `MAX` associated constant on `f32`")]
#[rustc_diagnostic_item = "f32_legacy_const_max"]
pub const MAX: f32 = f32::MAX;

/// One greater than the minimum possible normal power of 2 exponent.
Expand All @@ -158,6 +165,7 @@ pub const MAX: f32 = f32::MAX;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `MIN_EXP` associated constant on `f32`")]
#[rustc_diagnostic_item = "f32_legacy_const_min_exp"]
pub const MIN_EXP: i32 = f32::MIN_EXP;

/// Maximum possible power of 2 exponent.
Expand All @@ -175,6 +183,7 @@ pub const MIN_EXP: i32 = f32::MIN_EXP;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `MAX_EXP` associated constant on `f32`")]
#[rustc_diagnostic_item = "f32_legacy_const_max_exp"]
pub const MAX_EXP: i32 = f32::MAX_EXP;

/// Minimum possible normal power of 10 exponent.
Expand All @@ -192,6 +201,7 @@ pub const MAX_EXP: i32 = f32::MAX_EXP;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `MIN_10_EXP` associated constant on `f32`")]
#[rustc_diagnostic_item = "f32_legacy_const_min_10_exp"]
pub const MIN_10_EXP: i32 = f32::MIN_10_EXP;

/// Maximum possible power of 10 exponent.
Expand All @@ -209,6 +219,7 @@ pub const MIN_10_EXP: i32 = f32::MIN_10_EXP;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `MAX_10_EXP` associated constant on `f32`")]
#[rustc_diagnostic_item = "f32_legacy_const_max_10_exp"]
pub const MAX_10_EXP: i32 = f32::MAX_10_EXP;

/// Not a Number (NaN).
Expand All @@ -226,6 +237,7 @@ pub const MAX_10_EXP: i32 = f32::MAX_10_EXP;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `NAN` associated constant on `f32`")]
#[rustc_diagnostic_item = "f32_legacy_const_nan"]
pub const NAN: f32 = f32::NAN;

/// Infinity (∞).
Expand All @@ -243,6 +255,7 @@ pub const NAN: f32 = f32::NAN;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `INFINITY` associated constant on `f32`")]
#[rustc_diagnostic_item = "f32_legacy_const_infinity"]
pub const INFINITY: f32 = f32::INFINITY;

/// Negative infinity (−∞).
Expand All @@ -260,6 +273,7 @@ pub const INFINITY: f32 = f32::INFINITY;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `NEG_INFINITY` associated constant on `f32`")]
#[rustc_diagnostic_item = "f32_legacy_const_neg_infinity"]
pub const NEG_INFINITY: f32 = f32::NEG_INFINITY;

/// Basic mathematical constants.
Expand Down
14 changes: 14 additions & 0 deletions library/core/src/num/f64.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@ use crate::num::FpCategory;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `RADIX` associated constant on `f64`")]
#[rustc_diagnostic_item = "f64_legacy_const_radix"]
pub const RADIX: u32 = f64::RADIX;

/// Number of significant digits in base 2.
Expand All @@ -52,6 +53,7 @@ pub const RADIX: u32 = f64::RADIX;
since = "TBD",
note = "replaced by the `MANTISSA_DIGITS` associated constant on `f64`"
)]
#[rustc_diagnostic_item = "f64_legacy_const_mantissa_dig"]
pub const MANTISSA_DIGITS: u32 = f64::MANTISSA_DIGITS;

/// Approximate number of significant digits in base 10.
Expand All @@ -69,6 +71,7 @@ pub const MANTISSA_DIGITS: u32 = f64::MANTISSA_DIGITS;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `DIGITS` associated constant on `f64`")]
#[rustc_diagnostic_item = "f64_legacy_const_digits"]
pub const DIGITS: u32 = f64::DIGITS;

/// [Machine epsilon] value for `f64`.
Expand All @@ -90,6 +93,7 @@ pub const DIGITS: u32 = f64::DIGITS;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `EPSILON` associated constant on `f64`")]
#[rustc_diagnostic_item = "f64_legacy_const_epsilon"]
pub const EPSILON: f64 = f64::EPSILON;

/// Smallest finite `f64` value.
Expand All @@ -107,6 +111,7 @@ pub const EPSILON: f64 = f64::EPSILON;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `MIN` associated constant on `f64`")]
#[rustc_diagnostic_item = "f64_legacy_const_min"]
pub const MIN: f64 = f64::MIN;

/// Smallest positive normal `f64` value.
Expand All @@ -124,6 +129,7 @@ pub const MIN: f64 = f64::MIN;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `MIN_POSITIVE` associated constant on `f64`")]
#[rustc_diagnostic_item = "f64_legacy_const_min_positive"]
pub const MIN_POSITIVE: f64 = f64::MIN_POSITIVE;

/// Largest finite `f64` value.
Expand All @@ -141,6 +147,7 @@ pub const MIN_POSITIVE: f64 = f64::MIN_POSITIVE;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `MAX` associated constant on `f64`")]
#[rustc_diagnostic_item = "f64_legacy_const_max"]
pub const MAX: f64 = f64::MAX;

/// One greater than the minimum possible normal power of 2 exponent.
Expand All @@ -158,6 +165,7 @@ pub const MAX: f64 = f64::MAX;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `MIN_EXP` associated constant on `f64`")]
#[rustc_diagnostic_item = "f64_legacy_const_min_exp"]
pub const MIN_EXP: i32 = f64::MIN_EXP;

/// Maximum possible power of 2 exponent.
Expand All @@ -175,6 +183,7 @@ pub const MIN_EXP: i32 = f64::MIN_EXP;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `MAX_EXP` associated constant on `f64`")]
#[rustc_diagnostic_item = "f64_legacy_const_max_exp"]
pub const MAX_EXP: i32 = f64::MAX_EXP;

/// Minimum possible normal power of 10 exponent.
Expand All @@ -192,6 +201,7 @@ pub const MAX_EXP: i32 = f64::MAX_EXP;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `MIN_10_EXP` associated constant on `f64`")]
#[rustc_diagnostic_item = "f64_legacy_const_min_10_exp"]
pub const MIN_10_EXP: i32 = f64::MIN_10_EXP;

/// Maximum possible power of 10 exponent.
Expand All @@ -209,6 +219,7 @@ pub const MIN_10_EXP: i32 = f64::MIN_10_EXP;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `MAX_10_EXP` associated constant on `f64`")]
#[rustc_diagnostic_item = "f64_legacy_const_max_10_exp"]
pub const MAX_10_EXP: i32 = f64::MAX_10_EXP;

/// Not a Number (NaN).
Expand All @@ -226,6 +237,7 @@ pub const MAX_10_EXP: i32 = f64::MAX_10_EXP;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `NAN` associated constant on `f64`")]
#[rustc_diagnostic_item = "f64_legacy_const_nan"]
pub const NAN: f64 = f64::NAN;

/// Infinity (∞).
Expand All @@ -243,6 +255,7 @@ pub const NAN: f64 = f64::NAN;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `INFINITY` associated constant on `f64`")]
#[rustc_diagnostic_item = "f64_legacy_const_infinity"]
pub const INFINITY: f64 = f64::INFINITY;

/// Negative infinity (−∞).
Expand All @@ -260,6 +273,7 @@ pub const INFINITY: f64 = f64::INFINITY;
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[deprecated(since = "TBD", note = "replaced by the `NEG_INFINITY` associated constant on `f64`")]
#[rustc_diagnostic_item = "f64_legacy_const_neg_infinity"]
pub const NEG_INFINITY: f64 = f64::NEG_INFINITY;

/// Basic mathematical constants.
Expand Down
2 changes: 2 additions & 0 deletions library/core/src/num/int_macros.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3507,6 +3507,7 @@ macro_rules! int_impl {
#[rustc_promotable]
#[rustc_const_stable(feature = "const_min_value", since = "1.32.0")]
#[deprecated(since = "TBD", note = "replaced by the `MIN` associated constant on this type")]
#[rustc_diagnostic_item = concat!(stringify!($SelfT), "_legacy_fn_min_value")]
pub const fn min_value() -> Self {
Self::MIN
}
Expand All @@ -3520,6 +3521,7 @@ macro_rules! int_impl {
#[rustc_promotable]
#[rustc_const_stable(feature = "const_max_value", since = "1.32.0")]
#[deprecated(since = "TBD", note = "replaced by the `MAX` associated constant on this type")]
#[rustc_diagnostic_item = concat!(stringify!($SelfT), "_legacy_fn_max_value")]
pub const fn max_value() -> Self {
Self::MAX
}
Expand Down
2 changes: 2 additions & 0 deletions library/core/src/num/shells/int_macros.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ macro_rules! int_module {
///
#[$attr]
#[deprecated(since = "TBD", note = "replaced by the `MIN` associated constant on this type")]
#[rustc_diagnostic_item = concat!(stringify!($T), "_legacy_const_min")]
pub const MIN: $T = $T::MIN;

#[doc = concat!(
Expand All @@ -39,6 +40,7 @@ macro_rules! int_module {
///
#[$attr]
#[deprecated(since = "TBD", note = "replaced by the `MAX` associated constant on this type")]
#[rustc_diagnostic_item = concat!(stringify!($T), "_legacy_const_max")]
pub const MAX: $T = $T::MAX;
)
}
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