Class: Remap::Rule::Collection::Filled

Inherits:

Unit

Object
Unit
Remap::Rule::Collection::Filled

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Defined in:: lib/remap/rule/support/collection/filled.rb

Overview

Represents a non-empty rule block

Examples:

A collection containing a single rule

state = Remap::State.call("A")
void = Remap::Rule::Void.call({})
rule = Remap::Rule::Collection.call([void])
error = -> failure { raise failure.exception }
rule.call(state, &error).fetch(:value) # => "A"

Instance Method Summary collapse

#call(state, &error) ⇒ State

Represents a non-empty define block with one or more rules Calls every #rules with state and merges the output.
#rules ⇒ Array<Rule>

Instance Method Details

#call(state, &error) ⇒ `State`

Represents a non-empty define block with one or more rules Calls every #rules with state and merges the output

Parameters:

state (State)

Returns:

(State)

# File 'lib/remap/rule/support/collection/filled.rb', line 26

def call(state, &error)
  unless error
    raise ArgumentError, "Collection::Filled#call(state, &error) requires a block"
  end

  rules.map do |rule|
    rule.call(state) do |failure|
      return error[failure]
    end
  end.reduce(&:combine)
end

#rules ⇒ `Array<Rule>`