rtlibs-utils 0.1.6

rtools library: utilities
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

mod euro;

pub use euro::*;

pub trait CurrencyImpl
{
    fn value(&self) -> i32;
    fn currency(&self) -> &str;
    fn pad(
        &self,
        pad: usize,
    ) -> String;
    fn idn(
        &self
    ) -> (
        u32,
        u32,
        bool,
    );
}

#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
pub struct Currency<'r>(
    pub i32,
    pub &'r str,
);

impl<'r> std::fmt::Display for Currency<'r>
{
    fn fmt(
        &self,
        f: &mut std::fmt::Formatter<'_>,
    ) -> std::fmt::Result
    {
        let amount = self.0;
        let currency = self.1;

        let integral = (amount / 100).unsigned_abs();
        let decimal = amount.unsigned_abs() - (100 * integral);
        let negative = if amount < 0 { "-" } else { "" };

        f.write_str(&format!("{negative}{integral}.{decimal:02}{currency}"))
    }
}

impl<'r> CurrencyImpl for Currency<'r>
{
    fn pad(
        &self,
        pad: usize,
    ) -> String
    {
        let amount = self.0;
        let currency = self.1;

        let integral = (amount / 100).unsigned_abs();
        let decimal = amount.unsigned_abs() - (100 * integral);
        let negative = if amount < 0 { "-" } else { " " };

        format!(
            "{negative}{integral: >pad$}.{decimal:02}{currency}",
            pad = pad
        )
    }

    fn idn(
        &self
    ) -> (
        u32,
        u32,
        bool,
    )
    {
        let amount = self.0;
        let integral = (amount / 100).unsigned_abs();
        let decimal = amount.unsigned_abs() - (100 * integral);
        let negative = amount < 0;
        (
            integral, decimal, negative,
        )
    }

    fn value(&self) -> i32
    {
        self.0
    }

    fn currency(&self) -> &str
    {
        self.1
    }
}