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

use std::{ops::{BitAnd, BitOr, BitXor}, sync::Arc};

pub trait RawPipeline<VT, RT, ET> {
  fn run(&self,value: VT) -> Result<RT, ET>;
}
pub struct Pipeline<VT, RT, ET> {
  raw: Arc<dyn RawPipeline<VT, RT, ET> + Sync + Send + 'static>,
}

impl<VT,RT,ET> Pipeline<VT,RT,ET> {
  pub fn new<EfffectorT: RawPipeline<VT,RT,ET> + Sync + Send + 'static>(raw: EfffectorT) -> Pipeline<VT,RT,ET> {
    return Pipeline{
      raw: Arc::new(raw)
    };
  }
}

impl<VT,RT,ET> Clone for Pipeline<VT,RT,ET> {
  fn clone(&self) -> Self {
    Self { raw: self.raw.clone() }
  }
}

impl<VT,RT,ET> RawPipeline<VT,RT,ET> for Pipeline<VT,RT,ET> {
  fn run(&self,value: VT) -> Result<RT, ET> {
    self.raw.run(value)
  }
}

impl<VT: 'static, RT: 'static, ET: 'static> BitAnd<Pipeline<VT,RT,ET>> for Result<VT,ET> {
    type Output = Result<RT,ET>;

    fn bitand(self, rhs: Pipeline<VT,RT,ET>) -> Self::Output {
      match self {
          Ok(v) => rhs.run(v),
          Err(e) => Err(e),
      }
    }
}

struct AndPipeline<VT, MT, RT, ET> {
  lhs: Pipeline<VT, MT, ET>,
  rhs: Pipeline<MT, RT, ET>
}

impl<VT: 'static, MT: 'static, RT: 'static, ET: 'static> RawPipeline<VT,RT,ET> for AndPipeline<VT,MT,RT,ET> {
  fn run(&self,value: VT) -> Result<RT, ET> {
    match self.lhs.run(value) {
      Ok(v) => self.rhs.run(v),
      Err(e) => Err(e),
    }  
  }
}

impl<VT: 'static, MT:'static, RT: 'static, ET: 'static> BitAnd<Pipeline<MT,RT,ET>> for Pipeline<VT,MT,ET> {
    type Output = Pipeline<VT,RT,ET>;

    fn bitand(self, rhs: Pipeline<MT,RT,ET>) -> Self::Output {
      Pipeline::new(AndPipeline {
        lhs: self,
        rhs
      })
    }
}

struct OrPipeline<VT, RT, ET> {
  lhs: Pipeline<VT, RT, ET>,
  rhs: Pipeline<VT, RT, ET>
}

impl<VT: Clone + 'static, RT: 'static, ET: 'static> RawPipeline<VT,RT,ET> for OrPipeline<VT,RT,ET> {
  fn run(&self,value: VT) -> Result<RT, ET> {
    match self.lhs.run(value.clone()) {
      Ok(v) => Ok(v),
      Err(_) => self.rhs.run(value.clone()),
    }  
  }
}

impl<VT: Clone + 'static, RT: 'static, ET: 'static> BitOr<Pipeline<VT,RT,ET>> for Pipeline<VT,RT,ET> {
    type Output = Pipeline<VT,RT,ET>;

    fn bitor(self, rhs: Pipeline<VT,RT,ET>) -> Self::Output {
      Pipeline::new(OrPipeline {
        lhs: self,
        rhs
      })
    }
}

struct SimplePipeline<VT, RT, ET> {
  raw: Arc<dyn Fn(VT) -> Result<RT, ET> + Sync + Send + 'static>
}

impl<VT, RT, ET> RawPipeline<VT,RT, ET> for SimplePipeline<VT, RT, ET> {
    fn run(&self,value: VT) -> Result<RT, ET> {
      (self.raw)(value)
    }
}

pub fn pipeline<VT: 'static, RT: 'static, ET: 'static, F: Fn(VT) -> Result<RT, ET> + Sync + Send + 'static>(f : F) -> Pipeline<VT,RT,ET> {
  return Pipeline::new(SimplePipeline{
    raw: Arc::new(f),
  });
}

struct FilterPipeline<VT,ET: 'static> {
  raw: Arc<dyn Fn(&VT) -> bool + Sync + Send + 'static>,
  error: ET
}

impl<VT,ET : Clone> RawPipeline<VT,VT,ET> for FilterPipeline<VT,ET> {
    fn run(&self,v: VT) -> Result<VT, ET> {
      if (self.raw)(&v) {
        Ok(v)
      } else {
        Err(self.error.clone())
      }
    }
}

pub fn filter<T: 'static, ET: Clone + Sync + Send + 'static, F: Fn(&T) -> bool + Sync + Send + 'static>(f: F, error: ET) -> Pipeline<T, T, ET> {
  return Pipeline::new(FilterPipeline {
    raw: Arc::new(f),
    error
  });
}

pub trait RawFramework<VT,RT,ET> {
  fn run(&self, pipeline: Pipeline<VT,RT,ET>);
}

pub struct Framework<VT,RT,ET> {
  raw: Arc<dyn RawFramework<VT,RT,ET>>
}

impl<VT,RT,ET> Framework<VT,RT,ET> {
  pub fn new<FT: RawFramework<VT,RT,ET> + 'static>(f: FT) -> Framework<VT, RT, ET> {
    Framework {
      raw: Arc::new(f)
    }
  }
}

impl<VT,RT,ET> RawFramework<VT,RT,ET> for Framework<VT,RT,ET> {
  fn run(&self, pipeline: Pipeline<VT,RT,ET>) {
    self.raw.run(pipeline)
  }
}

impl<VT,RT,ET> BitXor<Framework<VT,RT,ET>> for Pipeline<VT,RT,ET> {
    type Output = ();

    fn bitxor(self, rhs: Framework<VT,RT,ET>) -> Self::Output {
      rhs.run(self)
    }
}

impl<VT,RT,ET> BitXor<Pipeline<VT,RT,ET>> for Framework<VT,RT,ET> {
    type Output = ();

    fn bitxor(self, rhs: Pipeline<VT,RT,ET>) -> Self::Output {
      self.run(rhs)
    }
}

struct SimpleFramework<VT,RT,ET> {
  raw: Arc<dyn Fn(Pipeline<VT,RT,ET>) -> ()>
}

impl<VT,RT,ET> RawFramework<VT,RT,ET> for SimpleFramework<VT,RT,ET>  {
  fn run(&self, pipeline: Pipeline<VT,RT,ET>) {
    (self.raw)(pipeline)
  }
}

pub fn framework<VT: 'static,RT: 'static,ET: 'static,FT: Fn(Pipeline<VT,RT,ET>) -> () + 'static>(f: FT) -> Framework<VT,RT,ET> {
  Framework::new(SimpleFramework {
    raw: Arc::new(f)
  })
}