rsdiff-core 0.0.2

This is the core library for the Acme project. It contains the core primitives that are used throughout the project.
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

/*
   Appellation: args <binary>
   Contrib: FL03 <jo3mccain@icloud.com>
*/
use crate::ops::Params;
use core::mem;

pub trait BinaryParams: Params<Pattern = (Self::Lhs, Self::Rhs)> {
    type Lhs;
    type Rhs;

    fn lhs(&self) -> &Self::Lhs;

    fn rhs(&self) -> &Self::Rhs;
}

pub struct BinaryArgs<A, B = A> {
    pub lhs: A,
    pub rhs: B,
}

impl<A, B> BinaryArgs<A, B> {
    pub fn new(lhs: A, rhs: B) -> Self {
        Self { lhs, rhs }
    }

    pub fn from_params<P>(params: P) -> Self
    where
        P: Params<Pattern = (A, B)>,
    {
        let (lhs, rhs) = params.into_pattern();
        Self::new(lhs, rhs)
    }

    pub fn into_args(self) -> (A, B) {
        (self.lhs, self.rhs)
    }

    pub fn flip(self) -> BinaryArgs<B, A> {
        BinaryArgs::new(self.rhs, self.lhs)
    }

    pub fn lhs(&self) -> &A {
        &self.lhs
    }

    pub fn rhs(&self) -> &B {
        &self.rhs
    }
}

impl<T> BinaryArgs<T, T> {
    pub fn swap(&mut self) {
        mem::swap(&mut self.lhs, &mut self.rhs);
    }
}

impl<A, B> BinaryParams for BinaryArgs<A, B> {
    type Lhs = A;
    type Rhs = B;

    fn lhs(&self) -> &Self::Lhs {
        self.lhs()
    }

    fn rhs(&self) -> &Self::Rhs {
        self.rhs()
    }
}

impl<A, B> Params for BinaryArgs<A, B> {
    type Pattern = (A, B);

    fn into_pattern(self) -> Self::Pattern {
        (self.lhs, self.rhs)
    }
}

impl<A, B> From<BinaryArgs<A, B>> for (A, B) {
    fn from(args: BinaryArgs<A, B>) -> Self {
        args.into_pattern()
    }
}

impl<A, B> From<&BinaryArgs<A, B>> for (A, B)
where
    A: Clone,
    B: Clone,
{
    fn from(args: &BinaryArgs<A, B>) -> Self {
        (args.lhs.clone(), args.rhs.clone())
    }
}

impl<A, B> BinaryParams for (A, B) {
    type Lhs = A;
    type Rhs = B;

    fn lhs(&self) -> &Self::Lhs {
        &self.0
    }

    fn rhs(&self) -> &Self::Rhs {
        &self.1
    }
}