bulks 0.6.6

Amazing bulks! They are like iterators, but in bulk, and therefore support collection into arrays.
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

use core::marker::Destruct;

use array_trait::same::Same;

pub struct Mutator<F>(pub(crate) F);

impl<F, T> const FnOnce<(T,)> for Mutator<F>
where
    F: ~const FnOnce(&mut T),
    F: ~const Destruct
{
    type Output = T;

    extern "rust-call" fn call_once(self, (mut x,): (T,)) -> Self::Output
    {
        let Self(f) = self;
        f(&mut x);
        x
    }
}
impl<F, T> const FnMut<(T,)> for Mutator<F>
where
    F: ~const FnMut(&mut T)
{
    extern "rust-call" fn call_mut(&mut self, (mut x,): (T,)) -> Self::Output
    {
        let Self(f) = self;
        f(&mut x);
        x
    }
}
impl<F, T> const Fn<(T,)> for Mutator<F>
where
    F: ~const Fn(&mut T)
{
    extern "rust-call" fn call(&self, (mut x,): (T,)) -> Self::Output
    {
        let Self(f) = self;
        f(&mut x);
        x
    }
}

mod private
{
    use core::marker::Tuple;

    pub trait AsyncFnRefSpec<F, T>: AsyncFnOnce<(T,)>
    where
        F: AsyncFnMut(&mut T)
    {
        type CallRefFutureSpec<'a>: Future<Output = Self::Output>
        where
            Self: 'a;

        fn async_call_mut_spec_spec(&'_ mut self, x: T) -> Self::CallRefFutureSpec<'_>;
    }
    pub trait AsyncFnSpec<F, T>: AsyncFnOnce<(T,)>
    where
        F: AsyncFn(&mut T)
    {
        type CallFutureSpecSpec<'a>: Future<Output = Self::Output>
        where
            Self: 'a;

        fn async_call_spec_spec(&'_ self, x: T) -> Self::CallFutureSpecSpec<'_>
        where
            F: for<'a> AsyncFn(&'a mut T);
    }

    pub trait AsyncFnMutSpec<Args>: AsyncFnOnce<Args>
    where
        Args: Tuple
    {
        type CallMutFutureSpec<'a>: Future<Output = Self::Output>
        where
            Self: 'a;

        fn async_call_mut_spec(&'_ mut self, args: Args) -> Self::CallMutFutureSpec<'_>;
    }
}

impl<F, T> AsyncFnOnce<(T,)> for Mutator<F>
where
    F: AsyncFnOnce(&mut T),
    F: Destruct
{
    type Output = T;
    type CallOnceFuture = impl Future<Output = T>;

    extern "rust-call" fn async_call_once(self, (mut x,): (T,)) -> Self::CallOnceFuture
    {
        let Self(f) = self;
        async {
            f(&mut x).await;
            x
        }
    }
}
impl<F, T> private::AsyncFnRefSpec<F, T> for Mutator<F>
where
    F: AsyncFnMut(&mut T)
{
    type CallRefFutureSpec<'a> = impl Future<Output = T>
    where
        Self: 'a;

    fn async_call_mut_spec_spec(&mut self, mut x: T) -> Self::CallRefFutureSpec<'_>
    {
        let Self(f) = self;
        async {
            f(&mut x).await;
            x
        }
    }
}
impl<F, T> private::AsyncFnSpec<F, T> for Mutator<F>
where
    F: AsyncFn(&mut T)
{
    type CallFutureSpecSpec<'a> = impl Future<Output = T>
        where
            Self: 'a;

    fn async_call_spec_spec(&'_ self, mut x: T) -> Self::CallFutureSpecSpec<'_>
    {
        let Self(f) = self;
        async {
            f(&mut x).await;
            x
        }
    }
}
impl<F, T> private::AsyncFnMutSpec<(T,)> for Mutator<F>
where
    F: AsyncFnMut(&mut T)
{
    default type CallMutFutureSpec<'a> = <Self as private::AsyncFnRefSpec<F, T>>::CallRefFutureSpec<'a>
    where
        Self: 'a;

    default fn async_call_mut_spec(&mut self, (x,): (T,)) -> Self::CallMutFutureSpec<'_>
    {
        use private::AsyncFnRefSpec;

        self.async_call_mut_spec_spec(x).same().ok().unwrap()
    }
}
impl<F, T> private::AsyncFnMutSpec<(T,)> for Mutator<F>
where
    F: AsyncFn(&mut T)
{
    type CallMutFutureSpec<'a> = <Self as private::AsyncFnSpec<F, T>>::CallFutureSpecSpec<'a>
    where
        Self: 'a;

    fn async_call_mut_spec(&mut self, (x,): (T,)) -> Self::CallMutFutureSpec<'_>
    {
        use private::AsyncFnSpec;

        self.async_call_spec_spec(x)
    }
}
impl<F, T> AsyncFnMut<(T,)> for Mutator<F>
where
    F: AsyncFnMut(&mut T)
{
    type CallRefFuture<'a> = <Self as private::AsyncFnMutSpec<(T,)>>::CallMutFutureSpec<'a>
    where
        Self: 'a;

    extern "rust-call" fn async_call_mut<'a>(&'a mut self, args: (T,)) -> Self::CallRefFuture<'a>
    {
        use private::AsyncFnMutSpec;

        self.async_call_mut_spec(args)
    }
}
impl<F, T> AsyncFn<(T,)> for Mutator<F>
where
    F: AsyncFn(&mut T)
{
    extern "rust-call" fn async_call<'a>(&'a self, (x,): (T,)) -> Self::CallRefFuture<'a>
    {
        use private::AsyncFnSpec;

        self.async_call_spec_spec(x)
    }
}