Class: Restruct::Set

Inherits:
Structure show all
Extended by:
Forwardable
Includes:
Enumerable
Defined in:
lib/restruct/set.rb

Direct Known Subclasses

MarshalSet

Instance Attribute Summary

Attributes inherited from Structure

#id, #redis

Instance Method Summary collapse

Methods inherited from Structure

#==, #destroy, #dump, #initialize, #restore

Constructor Details

This class inherits a constructor from Restruct::Structure

Instance Method Details

#add(member) ⇒ Object Also known as: << 



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# File 'lib/restruct/set.rb', line 14

def add(member)
  _add member
  self
end

#add?(member) ⇒ Boolean

Returns:



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# File 'lib/restruct/set.rb', line 20

def add?(member)
  _add(member) == 0 ? nil : self
end

#clear ⇒ Object 



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# File 'lib/restruct/set.rb', line 54

def clear
  destroy
  self
end

#delete(member) ⇒ Object 



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# File 'lib/restruct/set.rb', line 29

def delete(member)
  _delete member
  self
end

#delete?(member) ⇒ Boolean

Returns:



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# File 'lib/restruct/set.rb', line 34

def delete?(member)
  _delete(member) == 0 ? nil : self
end

#delete_if ⇒ Object 



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# File 'lib/restruct/set.rb', line 43

def delete_if
  each { |e| delete e if yield e }
  self
end

#disjoint?(set) ⇒ Boolean

Returns:



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# File 'lib/restruct/set.rb', line 95

def disjoint?(set)
  (to_a & set.to_a).empty?
end

#each(&block) ⇒ Object 



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# File 'lib/restruct/set.rb', line 73

def each(&block)
  to_a.each(&block)
end

#empty? ⇒ Boolean

Returns:



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# File 'lib/restruct/set.rb', line 65

def empty?
  size == 0
end

#include?(member) ⇒ Boolean

Returns:



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# File 'lib/restruct/set.rb', line 69

def include?(member)
  redis.call('SISMEMBER', id, serialize(member)) == 1
end

#intersect?(set) ⇒ Boolean

Returns:



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# File 'lib/restruct/set.rb', line 91

def intersect?(set)
  !disjoint? set
end

#keep_if ⇒ Object Also known as: select! 



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# File 'lib/restruct/set.rb', line 48

def keep_if
  each { |e| delete e unless yield e }
  self
end

#merge(members) ⇒ Object 



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# File 'lib/restruct/set.rb', line 24

def merge(members)
  _add *members
  self
end

#size ⇒ Object Also known as: count, length 



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# File 'lib/restruct/set.rb', line 59

def size
  redis.call 'SCARD', id
end

#subtract(members) ⇒ Object 



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# File 'lib/restruct/set.rb', line 38

def subtract(members)
  _delete *members
  self
end

#to_a ⇒ Object 



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# File 'lib/restruct/set.rb', line 77

def to_a
  redis.call('SMEMBERS', id).map { |e| deserialize e }
end

#to_set ⇒ Object Also known as: to_primitive 



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# File 'lib/restruct/set.rb', line 81

def to_set
  to_a.to_set
end