### Home Classes Methods

### In Files

- lib/state_machine/matcher.rb

### Parent

StateMachine::Matcher

### Methods

- #description
- #filter
- #matches?

### Files

- LICENSE

### Class/Module Index

Quicksearch

- StateMachine
- StateMachine::AllMatcher
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# StateMachine::BlacklistMatcher

Matches everything but a specific set of values

### Public Instance Methods

description() click to toggle source

A human-readable description of this matcher

    # File lib/state_machine/matcher.rb, line 96
    def description
      "all - #{values.length == 1 ? values.first.inspect : values.inspect}"
    end

filter(values) click to toggle source

Finds all values that are not within the blacklist configured for this matcher

    # File lib/state_machine/matcher.rb, line 91
    def filter(values)
      values - self.values
    end

matches?(value, context = {}) click to toggle source

Checks whether the given value exists outside the blacklist configured for this matcher.

## Examples

    matcher = StateMachine::BlacklistMatcher.new([:parked, :idling])
    matcher.matches?(:parked)       # => false
    matcher.matches?(:first_gear)   # => true

    # File lib/state_machine/matcher.rb, line 85
    def matches?(value, context = {})
      !values.include?(value)
    end

[Validate]

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