Class: Pry::Ring
- Defined in:
- lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/pry-0.14.2/lib/pry/ring.rb
Overview
A ring is a thread-safe fixed-capacity array to which you can only add elements. Older entries are overwritten as you add new elements, so that the ring can never contain more than ‘max_size` elemens.
Instance Attribute Summary collapse
-
#count ⇒ Integer
(also: #size)
readonly
How many objects were added during the lifetime of the ring.
-
#max_size ⇒ Integer
readonly
Maximum buffer size.
Instance Method Summary collapse
-
#<<(value) ⇒ self
Push ‘value` to the current index.
-
#[](index) ⇒ Object, ...
Read the value stored at ‘index`.
-
#clear ⇒ void
Clear the buffer and reset count.
-
#initialize(max_size) ⇒ Ring
constructor
A new instance of Ring.
-
#to_a ⇒ Array<Object>
The buffer as unwinded array.
Constructor Details
#initialize(max_size) ⇒ Ring
Returns a new instance of Ring.
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# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/pry-0.14.2/lib/pry/ring.rb', line 33 def initialize(max_size) @max_size = max_size @mutex = Mutex.new clear end |
Instance Attribute Details
#count ⇒ Integer (readonly) Also known as: size
Returns how many objects were added during the lifetime of the ring.
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# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/pry-0.14.2/lib/pry/ring.rb', line 28 def count @count end |
#max_size ⇒ Integer (readonly)
Returns maximum buffer size.
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# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/pry-0.14.2/lib/pry/ring.rb', line 24 def max_size @max_size end |
Instance Method Details
#<<(value) ⇒ self
Push ‘value` to the current index.
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# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/pry-0.14.2/lib/pry/ring.rb', line 43 def <<(value) @mutex.synchronize do @buffer[count % max_size] = value @count += 1 self end end |
#[](index) ⇒ Object, ...
Read the value stored at ‘index`.
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# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/pry-0.14.2/lib/pry/ring.rb', line 57 def [](index) @mutex.synchronize do return @buffer[index] if count <= max_size return @buffer[(count + index) % max_size] if index.is_a?(Integer) transpose_buffer_tail[index] end end |
#clear ⇒ void
This method returns an undefined value.
Clear the buffer and reset count.
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# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/pry-0.14.2/lib/pry/ring.rb', line 75 def clear @mutex.synchronize do @buffer = [] @count = 0 end end |