Module: HashKeys

Defined in:

lib/hash-keys.rb,
lib/hash-keys/version.rb

Constant Summary

VERSION =

"1.0.1"

Instance Method Summary

• #extract(*keys) ⇒ Object
• #has_keys?(*keys) ⇒ Boolean

Instance Method Details

#extract(*keys) ⇒ Object

# File 'lib/hash-keys.rb', line 6

def extract *keys
  select { |k, v| keys.include? k }
end

#has_keys?(*keys) ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/hash-keys.rb', line 2

def has_keys?(*keys)
  !keys.any? { |key| !self.has_key? key }
end