Class: Hash
- Inherits:
-
Object
- Object
- Hash
- Defined in:
- lib/core_ext/hash/slice.rb,
lib/core_ext/hash/except.rb
Instance Method Summary collapse
Instance Method Details
#except(*keys) ⇒ Object
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# File 'lib/core_ext/hash/except.rb', line 8 def except(*keys) dup.except!(*keys) end |
#except!(*keys) ⇒ Object
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# File 'lib/core_ext/hash/except.rb', line 2 def except!(*keys) keys.map! { |key| convert_key(key) } if respond_to?(:convert_key) keys.each { |key| delete(key) } self end |
#slice(*keys) ⇒ Object
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# File 'lib/core_ext/hash/slice.rb', line 9 def slice(*keys) hash = self.class.new keys.each { |k| hash[k] = self[k] if has_key?(k) } hash end |
#slice!(*keys) ⇒ Object
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# File 'lib/core_ext/hash/slice.rb', line 2 def slice!(*keys) omit = slice(*self.keys - keys) hash = slice(*keys) replace(hash) omit end |