cbqn 0.2.3

Embed BQN in Rust via CBQN FFI
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
148
149
150
151
152
153
154
155

macro_rules! impl_from_string_like {
    ($ty:ty) => {
        impl From<$ty> for BQNValue {
            fn from(v: $ty) -> BQNValue {
                crate::INIT.call_once(|| {
                    let _l = LOCK.lock();
                    bqn_init().unwrap();
                });
                let _l = LOCK.lock();
                BQNValue::new(bqn_makeUTF8Str(&v).unwrap())
            }
        }
    };
}

macro_rules! impl_from_string_like_vec {
    ($ty:ty) => {
        impl From<Vec<$ty>> for BQNValue {
            fn from(arr: Vec<$ty>) -> BQNValue {
                crate::INIT.call_once(|| {
                    let _l = LOCK.lock();
                    bqn_init().unwrap();
                });
                let mut strs = Vec::with_capacity(arr.len());
                let _l = LOCK.lock();
                for s in &arr {
                    strs.push(bqn_makeUTF8Str(&s).unwrap());
                }
                BQNValue::new(bqn_makeObjVec(&strs).unwrap())
            }
        }
    };
}

macro_rules! impl_from_slice {
    ($ty:ty, $fn:ident) => {
        impl From<$ty> for BQNValue {
            fn from(arr: $ty) -> BQNValue {
                crate::INIT.call_once(|| {
                    let _l = LOCK.lock();
                    bqn_init().unwrap();
                });

                let _l = LOCK.lock();
                BQNValue::new($fn(&arr).unwrap())
            }
        }
    };
}

macro_rules! impl_from_array {
    ($ty:ty, $fn:ident) => {
        impl<const N: usize> From<[$ty; N]> for BQNValue {
            fn from(arr: [$ty; N]) -> BQNValue {
                crate::INIT.call_once(|| {
                    let _l = LOCK.lock();
                    bqn_init().unwrap();
                });

                let _l = LOCK.lock();
                BQNValue::new($fn(&arr).unwrap())
            }
        }
    };
}

macro_rules! impl_from_iterator {
    ($ty:ty, $fn:ident) => {
        impl FromIterator<$ty> for BQNValue {
            fn from_iter<T>(iter: T) -> BQNValue
            where
                T: IntoIterator<Item = $ty>,
            {
                crate::INIT.call_once(|| {
                    let _l = LOCK.lock();
                    bqn_init().unwrap();
                });

                let elems = iter.into_iter().collect::<Vec<_>>();
                let _l = LOCK.lock();
                BQNValue::new($fn(&elems).unwrap())
            }
        }
    };
}

macro_rules! impl_from_vec {
    ($ty:ty, $fn:ident) => {
        impl From<Vec<$ty>> for BQNValue {
            fn from(arr: Vec<$ty>) -> BQNValue {
                crate::INIT.call_once(|| {
                    let _l = LOCK.lock();
                    bqn_init().unwrap();
                });

                let _l = LOCK.lock();
                BQNValue::new($fn(&arr).unwrap())
            }
        }
    };
}

/// Convenience macro for running BQN expressions
///
/// Takes a string of BQN code and optional left and right argument
/// # Examples
/// ```
/// # use cbqn::{BQN, BQNValue, eval};
/// let sum = BQN!("1+1").unwrap();
/// assert_eq!(sum.to_f64().unwrap(), 2.0);
/// ```
///
/// ```
/// # use cbqn::{BQN, BQNValue, eval};
/// let bqn_is_anagram = BQN!("⌽≡⊢", "BQN").and_then(|e| e.to_f64()).unwrap();
/// assert_eq!(bqn_is_anagram, 0.0);
/// ```
///
/// ```
/// # use cbqn::{BQN, BQNValue, eval};
/// let strs = BQN!(' ', "(⊢-˜+`׬)∘=⊔⊢", "Rust ❤️ BQN")
///     .and_then(|e| e.to_bqnvalue_vec())
///     .and_then(|v| {
///         v.iter()
///             .map(BQNValue::to_string)
///             .collect::<Result<Vec<String>, _>>()
///     })
///     .unwrap();
/// assert_eq!(strs, ["Rust", "❤️", "BQN"]);
/// ```
///
/// ```
/// # use cbqn::{BQN, BQNValue, eval};
/// let strings = ["join", "these", "please"];
/// assert_eq!(BQN!("∾", strings).and_then(|e| e.to_string()).unwrap(), "jointheseplease");
/// ```
#[macro_export]
macro_rules! BQN {
    ($code:expr) => {
        eval($code)
    };
    ($code:expr, $x:expr) => {
        eval($code).and_then(|v| v.call1(&BQNValue::from($x)))
    };
    ($w:expr, $code:expr, $x:expr) => {
        eval($code).and_then(|v| v.call2(&BQNValue::from($w), &BQNValue::from($x)))
    };
}

pub(crate) use impl_from_array;
pub(crate) use impl_from_iterator;
pub(crate) use impl_from_slice;
pub(crate) use impl_from_string_like;
pub(crate) use impl_from_string_like_vec;
pub(crate) use impl_from_vec;