Runtime assertions for Ruby
literal.fun
ruby
More things
+114
-28
+3
lib/literal.rb
+3
lib/literal.rb
+4
lib/literal/either.rb
+4
lib/literal/either.rb
+4
lib/literal/left.rb
+4
lib/literal/left.rb
+10
lib/literal/macros.rb
+10
lib/literal/macros.rb
+5
lib/literal/maybe.rb
+5
lib/literal/maybe.rb
-26
lib/literal/model.rb
-26
lib/literal/model.rb
···
1
-
# frozen_string_literal: true
2
-
3
-
class Literal::Model
4
-
extend Literal::Types
5
-
include Literal::Initializer
6
-
7
-
def self.__attributes__
8
-
return @__attributes__ if defined?(@__attributes__)
9
-
10
-
@__attributes__ = superclass.is_a?(self) ? superclass.required_attributes.dup : []
11
-
end
12
-
13
-
def self.attribute(name, type)
14
-
__attributes__ << name
15
-
16
-
writer_name = :"#{name}="
17
-
18
-
define_method writer_name do |value|
19
-
raise Literal::TypeError, "Expected #{name}: `#{value.inspect}` to be: `#{type.inspect}`." unless type === value
20
-
21
-
super(value)
22
-
end
23
-
24
-
name
25
-
end
26
-
end
+18
lib/literal/monads.rb
+18
lib/literal/monads.rb
···
1
+
# frozen_string_literal: true
2
+
3
+
module Literal::Monads
4
+
Nothing = Literal::Nothing.new
5
+
Maybe = Nothing # `Maybe` called without anything, e.g. `Maybe(something)` is Nothing
6
+
7
+
def Something(thing)
8
+
Literal::Something.new(thing)
9
+
end
10
+
11
+
def Maybe(value = nil)
12
+
value.nil? ? NOTHING : Something(value)
13
+
end
14
+
15
+
def Either(whatever)
16
+
17
+
end
18
+
end
+27
lib/literal/nothing.rb
+27
lib/literal/nothing.rb
···
1
+
# frozen_string_literal: true
2
+
3
+
class Literal::Nothing < Literal::Maybe
4
+
def initialize
5
+
freeze
6
+
end
7
+
8
+
def empty? = true
9
+
def inspect = "Nothing"
10
+
11
+
def value_or(fallback)
12
+
fallback
13
+
end
14
+
15
+
def map
16
+
self
17
+
end
18
+
19
+
def flat_map
20
+
raise ArgumentError, "No block given" unless block_given?
21
+
self
22
+
end
23
+
24
+
def or_else(alternative)
25
+
Something(alternative)
26
+
end
27
+
end
+1
lib/literal/operation.rb
+1
lib/literal/operation.rb
+4
lib/literal/right.rb
+4
lib/literal/right.rb
+27
lib/literal/something.rb
+27
lib/literal/something.rb
···
1
+
# frozen_string_literal: true
2
+
3
+
class Literal::Something < Literal::Maybe
4
+
def initialize(value)
5
+
@value = value
6
+
freeze
7
+
end
8
+
9
+
def empty? = false
10
+
def inspect = "Something(#{@value.inspect})"
11
+
12
+
def value_or(_fallback)
13
+
@value
14
+
end
15
+
16
+
def map
17
+
Something(yield @value)
18
+
end
19
+
20
+
def flatmap
21
+
map(yield(@value)).value_or(Nothing)
22
+
end
23
+
24
+
def or_else(_alternative)
25
+
self
26
+
end
27
+
end
-2
lib/literal/types.rb
-2
lib/literal/types.rb