polyvalue 0.3.4

A weak-typed analog for rust
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131

use crate::Error;
use fpdec::{CheckedAdd, CheckedDiv, CheckedMul, CheckedRem, CheckedSub, Decimal, Round};
use serde::{Deserialize, Serialize};
use std::{ops::Deref, str::FromStr};

/// Generates a Fixed from a decimal literal
///
/// # Example
/// ```rust
/// use polyvalue::{fpdec::Decimal, fixed};
/// use polyvalue::types::Fixed;
/// let value = fixed!(1.0);
/// ```
#[macro_export]
macro_rules! fixed {
    ($value:expr) => {
        Fixed::from(fpdec::Dec!($value))
    };
}

#[derive(PartialEq, Eq, Hash, PartialOrd, Ord, Clone, Serialize, Deserialize, Default)]
pub struct BoxedDecimal(Box<Decimal>);
impl BoxedDecimal {
    pub fn new(value: Decimal) -> Self {
        Self(Box::new(value))
    }

    pub fn inner(&self) -> &Decimal {
        &self.0
    }

    pub fn inner_mut(&mut self) -> &mut Decimal {
        &mut self.0
    }

    pub fn n_frac_digits(&self) -> u8 {
        self.0.n_frac_digits()
    }

    pub fn trunc(&self) -> Self {
        Self::new(self.0.trunc())
    }

    pub fn coefficient(&self) -> i128 {
        self.0.coefficient()
    }
}

impl From<BoxedDecimal> for f64 {
    fn from(val: BoxedDecimal) -> Self {
        (*val.0).into()
    }
}

impl From<Decimal> for BoxedDecimal {
    fn from(value: Decimal) -> Self {
        Self::new(value)
    }
}

impl FromStr for BoxedDecimal {
    type Err = Error;
    fn from_str(s: &str) -> Result<Self, Self::Err> {
        Ok(Self::new(s.parse::<Decimal>()?))
    }
}

impl std::fmt::Display for BoxedDecimal {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        self.0.fmt(f)
    }
}

impl std::fmt::Debug for BoxedDecimal {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        self.0.fmt(f)
    }
}

impl CheckedAdd for BoxedDecimal {
    type Output = Option<Self>;
    fn checked_add(self, rhs: Self) -> Self::Output {
        self.0.checked_add(*rhs.0).map(Self::new)
    }
}
impl CheckedSub for BoxedDecimal {
    type Output = Option<Self>;
    fn checked_sub(self, rhs: Self) -> Self::Output {
        self.0.checked_sub(*rhs.0).map(Self::new)
    }
}
impl CheckedMul for BoxedDecimal {
    type Output = Option<Self>;
    fn checked_mul(self, rhs: Self) -> Self::Output {
        self.0.checked_mul(*rhs.0).map(Self::new)
    }
}
impl CheckedDiv for BoxedDecimal {
    type Output = Option<Self>;
    fn checked_div(self, rhs: Self) -> Self::Output {
        self.0.checked_div(*rhs.0).map(Self::new)
    }
}
impl CheckedRem for BoxedDecimal {
    type Output = Option<Self>;
    fn checked_rem(self, rhs: Self) -> Self::Output {
        self.0.checked_rem(*rhs.0).map(Self::new)
    }
}
impl Round for BoxedDecimal {
    fn round(self, n_frac_digits: i8) -> Self {
        Self::new(self.0.round(n_frac_digits))
    }

    fn checked_round(self, n_frac_digits: i8) -> Option<Self> {
        self.0.checked_round(n_frac_digits).map(Self::new)
    }
}
impl std::ops::Neg for BoxedDecimal {
    type Output = Self;
    fn neg(self) -> Self::Output {
        Self::new(-*(self.0))
    }
}

impl Deref for BoxedDecimal {
    type Target = Decimal;
    fn deref(&self) -> &Self::Target {
        &self.0
    }
}