rvs 0.5.0

A library for defining and evaluating random variables using a simple DSL
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

// This is a copy of examples in the README

// An enumeration defintion with implicit value members.
enum Command {
    Read,
    Write,
    Erase,
}

// A variable that yields the repeating pattern: 2, 0, 1, 0
pattern = Pattern(
    Command::Erase,
    Command::Read,
    Command::Write,
    Command::Read,
);

// A variable that yields random values in the range [0, 7] inclusive
range = [0, 7];

// A variable that yields random values in the set {0, 1, 2}.  Yielded values
// are added back to the set.
sample_with_replacement = r{
    Command::Read,
    Command::Write,
    Command::Erase,
};

// A variable that yields random values in the set {0, 1, 2}.  Yielded values
// are removed from the set.  After all values have been yielded, the set is
// repopulated.
sample_without_replacement = {
    Command::Read,
    Command::Write,
    Command::Erase,
};

// A variable that yields weighted random values `0` 40% of the time, `1` 50%
// of the time, and `2` 10% of the time.
weighted_sample_with_replacement = r{
    40: Command::Read,
    50: Command::Write,
    10: Command::Erase,
};

// A variable that randomly yields values from a pool of 40 `0`s, 50 `1`s, and
// 10 `2`s.  Yielded values are removed from the pool.  The pool is
// re-populated after all values have been yielded.
weighted_sample_without_replacement = {
    40: Command::Read,
    50: Command::Write,
    10: Command::Erase,
};