nyavascript 0.1.0

Lisp implementation. Called NyavaScript because I'm a monster
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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147

use super::*;
use crate::s_expression::ConsCell;

#[test]
pub fn cons_creates_new_cons_cell_from_args() {
    let mut env = Env::new();

    let subject = vec![
        SXRef::number(1),
        SXRef::from(vec![SXRef::number(2)]),
    ];

    let expected = SXRef::from(vec![
        SXRef::number(1),
        SXRef::number(2),
    ]);

    let actual = McCarthyScope::cons(subject, &mut env).unwrap();

    assert_eq!(expected, actual)
}

#[test]
pub fn cons_creates_new_cons_cell_from_single_arg() {
    let mut env = Env::new();

    let subject = vec![
        SXRef::number(1),
        SXRef::nil(),
    ];

    let expected = SXRef::from(vec![
        SXRef::number(1),
    ]);

    let actual = McCarthyScope::cons(subject, &mut env).unwrap();

    assert_eq!(expected, actual)
}

#[test]
pub fn cons_creates_new_cons_cell_from_no_arg() {
    let mut env = Env::new();

    let subject = vec![
        SXRef::nil(),
        SXRef::nil(),
    ];

    let expected = SXRef::from(vec![
        SXRef::nil(),
    ]);

    let actual = McCarthyScope::cons(subject, &mut env).unwrap();

    assert_eq!(expected, actual)
}

#[test]
pub fn cons_creates_new_cons_cell_when_first_arg_is_nil() {
    let mut env = Env::new();

    let subject = vec![
        SXRef::nil(),
        SXRef::from(vec![SXRef::number(2)]),
    ];

    let expected = SXRef::from(vec![
        SXRef::nil(),
        SXRef::number(2),
    ]);

    let actual = McCarthyScope::cons(subject, &mut env).unwrap();

    assert_eq!(expected, actual)
}

#[test]
pub fn cons_creates_new_cons_cell_when_first_arg_is_list() {
    let mut env = Env::new();

    let subject = vec![
        SXRef::from(vec![
            SXRef::number(1),
            SXRef::number(2),
            SXRef::number(3)
        ]),
        SXRef::from(vec![SXRef::number(4)]),
    ];

    let expected = SXRef::from(vec![
        SXRef::from(vec![
            SXRef::number(1),
            SXRef::number(2),
            SXRef::number(3)
        ]),
        SXRef::number(4),
    ]);

    let actual = McCarthyScope::cons(subject, &mut env).unwrap();

    assert_eq!(expected, actual)
}

#[test]
pub fn cons_creates_new_cons_cell_when_second_arg_is_list_of_multiple_items() {
    let mut env = Env::new();

    let subject = vec![
        SXRef::number(1),
        SXRef::from(vec![
            SXRef::number(2),
            SXRef::number(3),
            SXRef::number(4)
        ]),
    ];

    let expected = SXRef::from(vec![
        SXRef::number(1),
        SXRef::number(2),
        SXRef::number(3),
        SXRef::number(4),
    ]);

    let actual = McCarthyScope::cons(subject, &mut env).unwrap();

    assert_eq!(expected, actual)
}

#[test]
pub fn cons_creates_new_cons_cell_when_second_arg_is_an_atom() {
    let mut env = Env::new();

    let subject = vec![
        SXRef::number(1),
        SXRef::number(2),
    ];

    let expected = SXRef::from(ConsCell::new(
        SXRef::number(1),
        SXRef::number(2),
    ));

    let actual = McCarthyScope::cons(subject, &mut env).unwrap();

    assert_eq!(expected, actual)
}