Module: Mona::DictResult

Includes:
Result
Included in:
Err, OK
Defined in:
lib/mona/dict_result.rb,
lib/mona/dict_result/ok.rb,
lib/mona/dict_result/err.rb,
lib/mona/dict_result/sequence.rb

Overview

Represents a dictionary of results, it is successful if all results are successful, and a failure if one is a failure. A DictResult can only contain one failure.

Defined Under Namespace

Classes: Err, OK, Sequence

Constant Summary collapse

EMPTY = 
DictResult::OK.new({}).freeze

Constants included from Result

Result::VERSION

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Result

#==, #and_tap, #and_then, #deconstruct, #deconstruct_keys, #either, #err, #err?, #ok, #ok?, #or_else, #value_or

Class Method Details

.[](initial = {}, &block) ⇒ Object

factory method that returns DictResult::OK or DictResult::Err



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# File 'lib/mona/dict_result.rb', line 14

def self.[](initial = {}, &block)
  result = EMPTY
  initial.each { |k, v| result = result.set(k, v) }
  result = result.sequence(&block) if block
  result
end

Instance Method Details

#get(key) ⇒ Object 



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# File 'lib/mona/dict_result.rb', line 23

def get(key) = to_h.fetch(key)

#key?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mona/dict_result.rb', line 21

def key?(key) = to_h.key?(key)

#sequence ⇒ Object 



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# File 'lib/mona/dict_result.rb', line 29

def sequence(&) = Sequence.new(self).call(&)

#set(_key, _val) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/mona/dict_result.rb', line 25

def set(_key, _val) = raise(NotImplementedError, "implement #to_h")

#to_h ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/mona/dict_result.rb', line 27

def to_h = raise(NotImplementedError, "implement #to_h")