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New constants for Dynamic.

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This commit is contained in:
Stephen Chung 2021-07-25 11:50:31 +08:00
parent 94674679d9
commit ffb1531e0e
2 changed files with 62 additions and 1 deletions
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1
CHANGELOG.md
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@ -9,6 +9,7 @@ Enhancements
* `$symbol$` is supported in custom syntax to match any symbol.
* `Dynamic::as_string` and `Dynamic::as_immutable_string` are deprecated and replaced by `into_string` and `into_immutable_string` respectively.
* Added a number of constants to `Dynamic`.
* `parse_float()`, `PI()` and `E()` now defer to `Decimal` under `no_float` if `decimal` is turned on.

62
src/dynamic.rs
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@ -830,8 +830,14 @@ impl Dynamic {
pub const ONE: Dynamic = Self(Union::Int(1, DEFAULT_TAG_VALUE, ReadWrite));
/// A [`Dynamic`] containing the integer two.
pub const TWO: Dynamic = Self(Union::Int(2, DEFAULT_TAG_VALUE, ReadWrite));
/// A [`Dynamic`] containing the integer three.
pub const THREE: Dynamic = Self(Union::Int(3, DEFAULT_TAG_VALUE, ReadWrite));
/// A [`Dynamic`] containing the integer ten.
pub const TEN: Dynamic = Self(Union::Int(10, DEFAULT_TAG_VALUE, ReadWrite));
/// A [`Dynamic`] containing the integer one hundred.
pub const HUNDRED: Dynamic = Self(Union::Int(100, DEFAULT_TAG_VALUE, ReadWrite));
/// A [`Dynamic`] containing the integer one thousand.
pub const THOUSAND: Dynamic = Self(Union::Int(1000, DEFAULT_TAG_VALUE, ReadWrite));
/// A [`Dynamic`] containing the integer negative one.
pub const NEGATIVE_ONE: Dynamic = Self(Union::Int(-1, DEFAULT_TAG_VALUE, ReadWrite));
/// A [`Dynamic`] containing `0.0`.
@ -870,7 +876,25 @@ impl Dynamic {
DEFAULT_TAG_VALUE,
ReadWrite,
));
/// A [`Dynamic`] containing the `-1.0`.
/// A [`Dynamic`] containing `100.0`.
///
/// Not available under `no_float`.
#[cfg(not(feature = "no_float"))]
pub const FLOAT_HUNDRED: Dynamic = Self(Union::Float(
FloatWrapper::new_const(100.0),
DEFAULT_TAG_VALUE,
ReadWrite,
));
/// A [`Dynamic`] containing `1000.0`.
///
/// Not available under `no_float`.
#[cfg(not(feature = "no_float"))]
pub const FLOAT_THOUSAND: Dynamic = Self(Union::Float(
FloatWrapper::new_const(1000.0),
DEFAULT_TAG_VALUE,
ReadWrite,
));
/// A [`Dynamic`] containing `-1.0`.
///
/// Not available under `no_float`.
#[cfg(not(feature = "no_float"))]
@ -879,6 +903,42 @@ impl Dynamic {
DEFAULT_TAG_VALUE,
ReadWrite,
));
/// A [`Dynamic`] containing π.
///
/// Not available under `no_float`.
#[cfg(not(feature = "no_float"))]
pub const FLOAT_PI: Dynamic = Self(Union::Float(
#[cfg(not(feature = "f32_float"))]
FloatWrapper::new_const(std::f64::consts::PI),
#[cfg(feature = "f32_float")]
FloatWrapper::new_const(std::f32::consts::PI),
DEFAULT_TAG_VALUE,
ReadWrite,
));
/// A [`Dynamic`] containing π/2.
///
/// Not available under `no_float`.
#[cfg(not(feature = "no_float"))]
pub const FLOAT_HALF_PI: Dynamic = Self(Union::Float(
#[cfg(not(feature = "f32_float"))]
FloatWrapper::new_const(std::f64::consts::PI / 2.0),
#[cfg(feature = "f32_float")]
FloatWrapper::new_const(std::f32::consts::PI / 2.0),
DEFAULT_TAG_VALUE,
ReadWrite,
));
/// A [`Dynamic`] containing 2π.
///
/// Not available under `no_float`.
#[cfg(not(feature = "no_float"))]
pub const FLOAT_TWO_PI: Dynamic = Self(Union::Float(
#[cfg(not(feature = "f32_float"))]
FloatWrapper::new_const(2.0 * std::f64::consts::PI),
#[cfg(feature = "f32_float")]
FloatWrapper::new_const(2.0 * std::f32::consts::PI),
DEFAULT_TAG_VALUE,
ReadWrite,
));
/// Get the [`AccessMode`] for this [`Dynamic`].
#[must_use]