nullvec 0.2.0

Rust nullable vector, which can contain null(missing) values as element
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

use super::{Array, Scalar};
use nullable::Nullable;
use traits::{BasicAggregation, NumericAggregation, ComparisonAggregation};

impl BasicAggregation for Array {
    type Kept = Scalar;
    type Counted = usize;

    fn sum(&self) -> Self::Kept {
        match self {
            &Array::Int64Array(ref vals) => vals.sum().into(),
            &Array::Int32Array(ref vals) => vals.sum().into(),
            &Array::Int16Array(ref vals) => vals.sum().into(),
            &Array::Int8Array(ref vals) => vals.sum().into(),
            &Array::IsizeArray(ref vals) => vals.sum().into(),
            &Array::UInt64Array(ref vals) => vals.sum().into(),
            &Array::UInt32Array(ref vals) => vals.sum().into(),
            &Array::UInt16Array(ref vals) => vals.sum().into(),
            &Array::UInt8Array(ref vals) => vals.sum().into(),
            &Array::UsizeArray(ref vals) => vals.sum().into(),
            &Array::Float64Array(ref vals) => vals.sum().into(),
            &Array::Float32Array(ref vals) => vals.sum().into(),
            &Array::BoolArray(_) => unimplemented!(),
            &Array::StringArray(_) => unimplemented!(),
        }
    }

    fn count(&self) -> Self::Counted {
        match self {
            &Array::Int64Array(ref vals) => vals.count(),
            &Array::Int32Array(ref vals) => vals.count(),
            &Array::Int16Array(ref vals) => vals.count(),
            &Array::Int8Array(ref vals) => vals.count(),
            &Array::IsizeArray(ref vals) => vals.count(),
            &Array::UInt64Array(ref vals) => vals.count(),
            &Array::UInt32Array(ref vals) => vals.count(),
            &Array::UInt16Array(ref vals) => vals.count(),
            &Array::UInt8Array(ref vals) => vals.count(),
            &Array::UsizeArray(ref vals) => vals.count(),
            &Array::Float64Array(ref vals) => vals.count(),
            &Array::Float32Array(ref vals) => vals.count(),
            &Array::BoolArray(_) => unimplemented!(),
            &Array::StringArray(_) => unimplemented!(),
        }
    }
}

impl NumericAggregation for Array {
    type Coerced = Nullable<f64>;

    fn mean(&self) -> Self::Coerced {
        match self {
            &Array::Int64Array(ref vals) => vals.mean(),
            &Array::Int32Array(ref vals) => vals.mean(),
            &Array::Int16Array(ref vals) => vals.mean(),
            &Array::Int8Array(ref vals) => vals.mean(),
            &Array::IsizeArray(ref vals) => vals.mean(),
            &Array::UInt64Array(ref vals) => vals.mean(),
            &Array::UInt32Array(ref vals) => vals.mean(),
            &Array::UInt16Array(ref vals) => vals.mean(),
            &Array::UInt8Array(ref vals) => vals.mean(),
            &Array::UsizeArray(ref vals) => vals.mean(),
            &Array::Float64Array(ref vals) => vals.mean(),
            &Array::Float32Array(ref vals) => vals.mean(),
            &Array::BoolArray(_) => unimplemented!(),
            &Array::StringArray(_) => unimplemented!(),
        }
    }

    fn var(&self) -> Self::Coerced {
        match self {
            &Array::Int64Array(ref vals) => vals.var(),
            &Array::Int32Array(ref vals) => vals.var(),
            &Array::Int16Array(ref vals) => vals.var(),
            &Array::Int8Array(ref vals) => vals.var(),
            &Array::IsizeArray(ref vals) => vals.var(),
            &Array::UInt64Array(ref vals) => vals.var(),
            &Array::UInt32Array(ref vals) => vals.var(),
            &Array::UInt16Array(ref vals) => vals.var(),
            &Array::UInt8Array(ref vals) => vals.var(),
            &Array::UsizeArray(ref vals) => vals.var(),
            &Array::Float64Array(ref vals) => vals.var(),
            &Array::Float32Array(ref vals) => vals.var(),
            &Array::BoolArray(_) => unimplemented!(),
            &Array::StringArray(_) => unimplemented!(),
        }
    }

    fn unbiased_var(&self) -> Self::Coerced {
        match self {
            &Array::Int64Array(ref vals) => vals.unbiased_var(),
            &Array::Int32Array(ref vals) => vals.unbiased_var(),
            &Array::Int16Array(ref vals) => vals.unbiased_var(),
            &Array::Int8Array(ref vals) => vals.unbiased_var(),
            &Array::IsizeArray(ref vals) => vals.unbiased_var(),
            &Array::UInt64Array(ref vals) => vals.unbiased_var(),
            &Array::UInt32Array(ref vals) => vals.unbiased_var(),
            &Array::UInt16Array(ref vals) => vals.unbiased_var(),
            &Array::UInt8Array(ref vals) => vals.unbiased_var(),
            &Array::UsizeArray(ref vals) => vals.unbiased_var(),
            &Array::Float64Array(ref vals) => vals.unbiased_var(),
            &Array::Float32Array(ref vals) => vals.unbiased_var(),
            &Array::BoolArray(_) => unimplemented!(),
            &Array::StringArray(_) => unimplemented!(),
        }
    }

    fn std(&self) -> Self::Coerced {
        match self {
            &Array::Int64Array(ref vals) => vals.std(),
            &Array::Int32Array(ref vals) => vals.std(),
            &Array::Int16Array(ref vals) => vals.std(),
            &Array::Int8Array(ref vals) => vals.std(),
            &Array::IsizeArray(ref vals) => vals.std(),
            &Array::UInt64Array(ref vals) => vals.std(),
            &Array::UInt32Array(ref vals) => vals.std(),
            &Array::UInt16Array(ref vals) => vals.std(),
            &Array::UInt8Array(ref vals) => vals.std(),
            &Array::UsizeArray(ref vals) => vals.std(),
            &Array::Float64Array(ref vals) => vals.std(),
            &Array::Float32Array(ref vals) => vals.std(),
            &Array::BoolArray(_) => unimplemented!(),
            &Array::StringArray(_) => unimplemented!(),
        }
    }

    fn unbiased_std(&self) -> Self::Coerced {
        match self {
            &Array::Int64Array(ref vals) => vals.unbiased_std(),
            &Array::Int32Array(ref vals) => vals.unbiased_std(),
            &Array::Int16Array(ref vals) => vals.unbiased_std(),
            &Array::Int8Array(ref vals) => vals.unbiased_std(),
            &Array::IsizeArray(ref vals) => vals.unbiased_std(),
            &Array::UInt64Array(ref vals) => vals.unbiased_std(),
            &Array::UInt32Array(ref vals) => vals.unbiased_std(),
            &Array::UInt16Array(ref vals) => vals.unbiased_std(),
            &Array::UInt8Array(ref vals) => vals.unbiased_std(),
            &Array::UsizeArray(ref vals) => vals.unbiased_std(),
            &Array::Float64Array(ref vals) => vals.unbiased_std(),
            &Array::Float32Array(ref vals) => vals.unbiased_std(),
            &Array::BoolArray(_) => unimplemented!(),
            &Array::StringArray(_) => unimplemented!(),
        }
    }
}

impl ComparisonAggregation for Array {
    type Kept = Scalar;

    fn min(&self) -> Self::Kept {
        match self {
            &Array::Int64Array(ref vals) => vals.min().into(),
            &Array::Int32Array(ref vals) => vals.min().into(),
            &Array::Int16Array(ref vals) => vals.min().into(),
            &Array::Int8Array(ref vals) => vals.min().into(),
            &Array::IsizeArray(ref vals) => vals.min().into(),
            &Array::UInt64Array(ref vals) => vals.min().into(),
            &Array::UInt32Array(ref vals) => vals.min().into(),
            &Array::UInt16Array(ref vals) => vals.min().into(),
            &Array::UInt8Array(ref vals) => vals.min().into(),
            &Array::UsizeArray(ref vals) => vals.min().into(),
            &Array::Float64Array(ref vals) => vals.min().into(),
            &Array::Float32Array(ref vals) => vals.min().into(),
            &Array::BoolArray(_) => unimplemented!(),
            &Array::StringArray(_) => unimplemented!(),
        }
    }

    fn max(&self) -> Self::Kept {
        match self {
            &Array::Int64Array(ref vals) => vals.max().into(),
            &Array::Int32Array(ref vals) => vals.max().into(),
            &Array::Int16Array(ref vals) => vals.max().into(),
            &Array::Int8Array(ref vals) => vals.max().into(),
            &Array::IsizeArray(ref vals) => vals.max().into(),
            &Array::UInt64Array(ref vals) => vals.max().into(),
            &Array::UInt32Array(ref vals) => vals.max().into(),
            &Array::UInt16Array(ref vals) => vals.max().into(),
            &Array::UInt8Array(ref vals) => vals.max().into(),
            &Array::UsizeArray(ref vals) => vals.max().into(),
            &Array::Float64Array(ref vals) => vals.max().into(),
            &Array::Float32Array(ref vals) => vals.max().into(),
            &Array::BoolArray(_) => unimplemented!(),
            &Array::StringArray(_) => unimplemented!(),
        }
    }
}