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
|
package org.shedlang.compiler.util;
import org.pcollections.*;
import java.util.Map;
import java.util.stream.Collector;
public class PCollectors {
private PCollectors() {
}
public static <K, V> Collector<Map.Entry<K, V>, PMapCollector<K, V>, PMap<K, V>> toMap() {
return Collector.of(
PMapCollector::new,
PMapCollector::add,
PMapCollector::addAll,
PMapCollector::toMap
);
}
private static class PMapCollector<K, V> {
private PMap<K, V> map = Empty.map();
void add(Map.Entry<K, V> entry) {
map = map.plus(entry.getKey(), entry.getValue());
}
PMapCollector<K, V> addAll(PMapCollector<K, V> other) {
map = map.plusAll(other.map);
return this;
}
PMap<K, V> toMap() {
return map;
}
}
public static <K, V> Collector<Map.Entry<K, V>, POrderedMapCollector<K, V>, POrderedMap<K, V>> toOrderedMap() {
return Collector.of(
POrderedMapCollector::new,
POrderedMapCollector::add,
POrderedMapCollector::addAll,
POrderedMapCollector::toOrderedMap
);
}
private static class POrderedMapCollector<K, V> {
private POrderedMap<K, V> map = POrderedMap.empty();
void add(Map.Entry<K, V> entry) {
map = map.plus(entry.getKey(), entry.getValue());
}
POrderedMapCollector<K, V> addAll(POrderedMapCollector<K, V> other) {
map = map.plusAll(other.map);
return this;
}
POrderedMap<K, V> toOrderedMap() {
return map;
}
}
public static <K, V> Collector<Map.Entry<K, V>, OrderedPMapCollector<K, V>, OrderedPMap<K, V>> toOrderedPMap() {
return Collector.of(
OrderedPMapCollector::new,
OrderedPMapCollector::add,
OrderedPMapCollector::addAll,
OrderedPMapCollector::toOrderedMap
);
}
private static class OrderedPMapCollector<K, V> {
private OrderedPMap<K, V> map = OrderedPMap.empty();
void add(Map.Entry<K, V> entry) {
map = map.plus(entry.getKey(), entry.getValue());
}
OrderedPMapCollector<K, V> addAll(OrderedPMapCollector<K, V> other) {
map = map.plusAll(other.map);
return this;
}
OrderedPMap<K, V> toOrderedMap() {
return map;
}
}
public static <T> Collector<T, OrderedPSetCollector<T>, OrderedPSet<T>> toOrderedSet() {
return Collector.of(
OrderedPSetCollector::new,
OrderedPSetCollector::add,
OrderedPSetCollector::addAll,
OrderedPSetCollector::toSet
);
}
private static class OrderedPSetCollector<T> {
private OrderedPSet<T> set = OrderedPSet.empty();
void add(T value) {
set = set.plus(value);
}
OrderedPSetCollector<T> addAll(OrderedPSetCollector<T> other) {
set = set.plusAll(other.set);
return this;
}
OrderedPSet<T> toSet() {
return set;
}
}
public static <T> Collector<T, PVectorCollector<T>, PVector<T>> toVector() {
return Collector.of(
PVectorCollector::new,
PVectorCollector::add,
PVectorCollector::addAll,
PVectorCollector::toVector
);
}
private static class PVectorCollector<T> {
private PVector<T> vector = Empty.vector();
void add(T value) {
vector = vector.plus(value);
}
PVectorCollector<T> addAll(PVectorCollector<T> other) {
vector = vector.plusAll(other.vector);
return this;
}
PVector<T> toVector() {
return vector;
}
}
}
|
