nami 0.11.2

A powerful, lightweight reactive framework.
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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316

//! Operator trait implementations for Signal types.
//!
//! This module provides internal macros to implement standard library operator traits
//! for any type implementing the `Signal` trait.

macro_rules! impl_signal_binary_op {
    ($ty:ty, [$($gen:ident),*], $out:ident, $trait:ident, $method:ident, $helper:path) => {
        impl<$($gen,)* RHS> ::core::ops::$trait<RHS> for $ty
        where
            Self: $crate::Signal<Output = $out>,
            RHS: $crate::Signal,
            $out: ::core::ops::$trait<RHS::Output> + Clone + 'static,
            RHS::Output: Clone,
        {
            type Output = $crate::map::Map<
                $crate::zip::Zip<Self, RHS>,
                fn(($out, RHS::Output)) -> <$out as ::core::ops::$trait<RHS::Output>>::Output,
                <$out as ::core::ops::$trait<RHS::Output>>::Output,
            >;

            fn $method(self, rhs: RHS) -> Self::Output {
                $helper(self, rhs)
            }
        }
    };
}

macro_rules! impl_signal_binary_ops {
    ($ty:ty, [$($gen:ident),*], $out:ident) => {
        impl_signal_binary_op!($ty, [$($gen),*], $out, Add, add, $crate::utils::add);
        impl_signal_binary_op!($ty, [$($gen),*], $out, Sub, sub, $crate::utils::sub);
        impl_signal_binary_op!($ty, [$($gen),*], $out, Mul, mul, $crate::utils::mul);
        impl_signal_binary_op!($ty, [$($gen),*], $out, Div, div, $crate::utils::div);
        impl_signal_binary_op!($ty, [$($gen),*], $out, Rem, rem, $crate::utils::rem);
        impl_signal_binary_op!($ty, [$($gen),*], $out, BitAnd, bitand, $crate::utils::bitand);
        impl_signal_binary_op!($ty, [$($gen),*], $out, BitOr, bitor, $crate::utils::bitor);
        impl_signal_binary_op!($ty, [$($gen),*], $out, BitXor, bitxor, $crate::utils::bitxor);
        impl_signal_binary_op!($ty, [$($gen),*], $out, Shl, shl, $crate::utils::shl);
        impl_signal_binary_op!($ty, [$($gen),*], $out, Shr, shr, $crate::utils::shr);
    };
}

macro_rules! impl_signal_neg {
    ($ty:ty, [$($gen:ident),*], $out:ident) => {
        impl<$($gen),*> ::core::ops::Neg for $ty
        where
            Self: $crate::Signal<Output = $out>,
            $out: ::core::ops::Neg + Clone + 'static,
        {
            type Output = $crate::map::Map<
                Self,
                fn($out) -> <$out as ::core::ops::Neg>::Output,
                <$out as ::core::ops::Neg>::Output,
            >;

            fn neg(self) -> Self::Output {
                $crate::map::map(self, ::core::ops::Neg::neg)
            }
        }
    };
}

macro_rules! impl_signal_not {
    ($ty:ty, [$($gen:ident),*]) => {
        impl<$($gen),*> ::core::ops::Not for $ty
        where
            Self: $crate::Signal<Output = bool>,
        {
            type Output = $crate::map::Map<Self, fn(bool) -> bool, bool>;

            fn not(self) -> Self::Output {
                $crate::map::map(self, ::core::ops::Not::not)
            }
        }
    };
}

macro_rules! impl_signal_ops {
    ($ty:ty, [$($gen:ident),*], $out:ident) => {
        impl_signal_binary_ops!($ty, [$($gen),*], $out);
        impl_signal_neg!($ty, [$($gen),*], $out);
        impl_signal_not!($ty, [$($gen),*]);
    };
}

macro_rules! impl_signal_wrapper_binary_op {
    ($ty:ty, [$($gen:ident),*], $inner:ident, $trait:ident, $method:ident, $helper:path) => {
        impl<$($gen,)* RHS, __Out> ::core::ops::$trait<RHS> for $ty
        where
            $inner: $crate::Signal<Output = __Out>,
            __Out: Clone,
            Self: $crate::Signal<Output = __Out>,
            RHS: $crate::Signal,
            __Out: ::core::ops::$trait<RHS::Output> + 'static,
            RHS::Output: Clone,
        {
            type Output = $crate::map::Map<
                $crate::zip::Zip<Self, RHS>,
                fn((__Out, RHS::Output)) -> <__Out as ::core::ops::$trait<RHS::Output>>::Output,
                <__Out as ::core::ops::$trait<RHS::Output>>::Output,
            >;

            fn $method(self, rhs: RHS) -> Self::Output {
                $helper(self, rhs)
            }
        }
    };
}

macro_rules! impl_signal_wrapper_binary_ops {
    ($ty:ty, [$($gen:ident),*], $inner:ident) => {
        impl_signal_wrapper_binary_op!($ty, [$($gen),*], $inner, Add, add, $crate::utils::add);
        impl_signal_wrapper_binary_op!($ty, [$($gen),*], $inner, Sub, sub, $crate::utils::sub);
        impl_signal_wrapper_binary_op!($ty, [$($gen),*], $inner, Mul, mul, $crate::utils::mul);
        impl_signal_wrapper_binary_op!($ty, [$($gen),*], $inner, Div, div, $crate::utils::div);
        impl_signal_wrapper_binary_op!($ty, [$($gen),*], $inner, Rem, rem, $crate::utils::rem);
        impl_signal_wrapper_binary_op!($ty, [$($gen),*], $inner, BitAnd, bitand, $crate::utils::bitand);
        impl_signal_wrapper_binary_op!($ty, [$($gen),*], $inner, BitOr, bitor, $crate::utils::bitor);
        impl_signal_wrapper_binary_op!($ty, [$($gen),*], $inner, BitXor, bitxor, $crate::utils::bitxor);
        impl_signal_wrapper_binary_op!($ty, [$($gen),*], $inner, Shl, shl, $crate::utils::shl);
        impl_signal_wrapper_binary_op!($ty, [$($gen),*], $inner, Shr, shr, $crate::utils::shr);
    };
}

macro_rules! impl_signal_wrapper_neg {
    ($ty:ty, [$($gen:ident),*], $inner:ident) => {
        impl<$($gen,)* __Out> ::core::ops::Neg for $ty
        where
            $inner: $crate::Signal<Output = __Out>,
            __Out: Clone,
            Self: $crate::Signal<Output = __Out>,
            __Out: ::core::ops::Neg + 'static,
        {
            type Output = $crate::map::Map<
                Self,
                fn(__Out) -> <__Out as ::core::ops::Neg>::Output,
                <__Out as ::core::ops::Neg>::Output,
            >;

            fn neg(self) -> Self::Output {
                $crate::map::map(self, ::core::ops::Neg::neg)
            }
        }
    };
}

macro_rules! impl_signal_wrapper_not {
    ($ty:ty, [$($gen:ident),*], $inner:ident) => {
        impl<$($gen),*> ::core::ops::Not for $ty
        where
            $inner: $crate::Signal<Output = bool>,
            Self: $crate::Signal<Output = bool>,
        {
            type Output = $crate::map::Map<Self, fn(bool) -> bool, bool>;

            fn not(self) -> Self::Output {
                $crate::map::map(self, ::core::ops::Not::not)
            }
        }
    };
}

macro_rules! impl_signal_wrapper_ops {
    ($ty:ty, [$($gen:ident),*], $inner:ident) => {
        impl_signal_wrapper_binary_ops!($ty, [$($gen),*], $inner);
        impl_signal_wrapper_neg!($ty, [$($gen),*], $inner);
        impl_signal_wrapper_not!($ty, [$($gen),*], $inner);
    };
}

#[cfg(test)]
mod tests {
    use crate::{Binding, Computed, Signal, SignalExt, binding, constant};

    #[test]
    fn test_binding_binary_ops() {
        let a: Binding<i32> = binding(10);
        let b: Binding<i32> = binding(3);

        // Test Add
        let sum = a.clone() + b.clone();
        assert_eq!(sum.get(), 13);

        // Test Sub
        let diff = a.clone() - b.clone();
        assert_eq!(diff.get(), 7);

        // Test Mul
        let product = a.clone() * b.clone();
        assert_eq!(product.get(), 30);

        // Test Div
        let quotient = a.clone() / b.clone();
        assert_eq!(quotient.get(), 3);

        // Test Rem
        let remainder = a % b;
        assert_eq!(remainder.get(), 1);
    }

    #[test]
    fn test_binding_bitwise_ops() {
        let a: Binding<u32> = binding(0b1100u32);
        let b: Binding<u32> = binding(0b1010u32);

        // Test BitAnd
        let and = a.clone() & b.clone();
        assert_eq!(and.get(), 0b1000);

        // Test BitOr
        let or = a.clone() | b.clone();
        assert_eq!(or.get(), 0b1110);

        // Test BitXor
        let xor = a.clone() ^ b;
        assert_eq!(xor.get(), 0b0110);

        // Test Shl
        let shift: Binding<u32> = binding(2u32);
        let shl = a.clone() << shift.clone();
        assert_eq!(shl.get(), 0b11_0000);

        // Test Shr
        let shr = a >> shift;
        assert_eq!(shr.get(), 0b11);
    }

    #[test]
    fn test_computed_ops() {
        let a: Computed<i32> = Computed::constant(10);
        let b: Computed<i32> = Computed::constant(5);

        let sum = a.clone() + b.clone();
        assert_eq!(sum.get(), 15);

        let diff = a.clone() - b;
        assert_eq!(diff.get(), 5);

        // Test Neg
        let neg = -a;
        assert_eq!(neg.get(), -10);
    }

    #[test]
    fn test_computed_not() {
        let flag: Computed<bool> = Computed::constant(true);
        let negated = !flag;
        assert!(!negated.get());
    }

    #[test]
    fn test_map_ops() {
        let a: Binding<i32> = binding(10);
        let mapped = a.map(|x| x * 2); // Map<Binding<i32>, _, i32>

        let b: Binding<i32> = binding(5);
        let sum = mapped + b;
        assert_eq!(sum.get(), 25); // (10 * 2) + 5 = 25
    }

    #[test]
    fn test_constant_ops() {
        let a = constant(10i32);
        let b = constant(3i32);

        let sum = a.clone() + b;
        assert_eq!(sum.get(), 13);

        let neg = -a;
        assert_eq!(neg.get(), -10);
    }

    #[test]
    fn test_cached_ops() {
        let a: Binding<i32> = binding(10);
        let cached = a.cached();

        let b: Binding<i32> = binding(5);
        let sum = cached + b;
        assert_eq!(sum.get(), 15);
    }

    #[test]
    fn test_chained_ops() {
        let a: Binding<i32> = binding(10);
        let b: Binding<i32> = binding(5);
        let c: Binding<i32> = binding(2);

        // (a + b) * c
        let result = (a.clone() + b) * c;
        assert_eq!(result.get(), 30);

        // Verify reactivity
        a.set(20);
        assert_eq!(result.get(), 50); // (20 + 5) * 2 = 50
    }

    #[test]
    fn test_mixed_signal_types_ops() {
        let binding_val: Binding<i32> = binding(10);
        let constant_val = constant(5i32);
        let computed_val: Computed<i32> = Computed::constant(3);

        // Binding + Constant
        let sum1 = binding_val.clone() + constant_val.clone();
        assert_eq!(sum1.get(), 15);

        // Binding + Computed
        let sum2 = binding_val + computed_val.clone();
        assert_eq!(sum2.get(), 13);

        // Constant + Computed
        let sum3 = constant_val + computed_val;
        assert_eq!(sum3.get(), 8);
    }
}