Class: Atig::SizedHash
- Inherits:
-
Object
- Object
- Atig::SizedHash
- Extended by:
- Forwardable
- Defined in:
- lib/atig/sized_hash.rb
Instance Method Summary collapse
- #[](key) ⇒ Object
- #[]=(key, value) ⇒ Object
-
#initialize(size) ⇒ SizedHash
constructor
A new instance of SizedHash.
- #key?(key) ⇒ Boolean
Constructor Details
#initialize(size) ⇒ SizedHash
Returns a new instance of SizedHash.
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# File 'lib/atig/sized_hash.rb', line 10 def initialize(size) @size = size @xs = [] end |
Instance Method Details
#[](key) ⇒ Object
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# File 'lib/atig/sized_hash.rb', line 15 def [](key) kv = @xs.assoc(key) if kv then @xs.delete kv @xs.push kv kv[1] end end |
#[]=(key, value) ⇒ Object
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# File 'lib/atig/sized_hash.rb', line 24 def []=(key,value) @xs.push [key, value] @xs.shift if @xs.size > @size end |
#key?(key) ⇒ Boolean
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# File 'lib/atig/sized_hash.rb', line 29 def key?(key) @xs.any?{|k,_| key == k } end |