rune 0.14.2

The Rune Language, an embeddable dynamic programming language 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

#![allow(clippy::unusual_byte_groupings)]

prelude!();

#[test]
fn test_literals() {
    let out: String = rune!("Hello World");
    assert_eq!(out, "Hello World");
    let out: Bytes = rune!(b"Hello World");
    assert_eq!(out, b"Hello World"[..]);
    let out: u8 = rune!(b'0');
    assert_eq!(out, b'0');
    let out: u8 = rune!(b'\xaf');
    assert_eq!(out, b'\xaf');
    let out: char = rune!('\x60');
    assert_eq!(out, '\x60');
    let out: char = rune!('\u{1F4AF}');
    assert_eq!(out, '\u{1F4AF}');
    let out: char = rune!('💯');
    assert_eq!(out, '💯');
}

#[test]
fn test_string_literals() {
    let out: String = rune!(
        "
    "
    );
    assert_eq!(out, "\n    ");

    let out: String = rune!(
        "\
    "
    );
    assert_eq!(out, "");

    let out: String = rune!(
        "\
    a \
\
    b"
    );
    assert_eq!(out, "a b");
}

#[test]
fn test_byte_string_literals() {
    let out: Bytes = rune!(
        b"
    "
    );
    assert_eq!(out, b"\n    "[..]);

    let out: Bytes = rune!(
        b"\
    "
    );
    assert_eq!(out, b""[..]);

    let out: Bytes = rune!(
        b"\
    a \
\
    b"
    );
    assert_eq!(out, b"a b"[..]);
}

#[test]
fn test_number_literals() {
    macro_rules! test_case {
        ($lit:expr) => {
            test_case!($lit, i64);
        };

        ($lit:expr, $ty:ty) => {
            let out: $ty = rune!($lit);
            assert_eq!(out, $lit);
        };
    }

    test_case!(0xff);
    test_case!(-0xff);

    test_case!(0xf_f);
    test_case!(-0xf_f);

    test_case!(42);
    test_case!(-42);

    test_case!(4_2);
    test_case!(-4_2);

    test_case!(0b1001_0001);
    test_case!(-0b1001_0001);

    test_case!(0b10010001);
    test_case!(-0b10010001);

    test_case!(0o77);
    test_case!(0o7_7);

    test_case!(-0o77);
    test_case!(-0o7_7);

    test_case!(42.42, f32);
    test_case!(-42.42, f32);

    // TODO: we need a different float parsing routine to support _ in floats.
    // test_case!(42_.42, f32);
    // test_case!(4_2.42, f32);
    // test_case!(42.4_2, f32);
    // test_case!(4_2.4_2, f32);

    test_case!(1.9e10, f64);
    test_case!(-1.9e10, f64);

    // TODO: we need a different float parsing routine to support _ in floats.
    // test_case!(1_.9e10, f64);
    // test_case!(1.9e1_0, f64);

    test_case!(1e10, f64);
}