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Commits on Sep 22, 2023

• Fixed typo in comment.

  nayuki

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Commits on Jan 22, 2023

• Simplified code using instanceof patterns (Java SE 16+).

  nayuki

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• Changed classes to records (Java SE 16+).

  nayuki

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• Changed abstract superclass to interface.

  nayuki

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• Changed to sealed class (Java SE 17+).

  nayuki

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• Changed the C EOF constant to the C++ EOF constant function.

  nayuki

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Commits on Jan 19, 2023

• Tweaked C++ BitInputStream class in case EOF is not -1.

  nayuki

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• Changed copyright header comment format, updated copyright year.

  nayuki

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Commits on Apr 14, 2020

• Simplified I/O code by removing Python 2 support.

  nayuki

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• Removed explicit object superclass (unnecessary in Python 3).

  nayuki

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Commits on Aug 21, 2018

• *.cpp: Updated C++ code to use standard exception classes instead of bare C strings.

  nayuki

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Commits on Jul 13, 2018

• {BitInputStream,BitOutputStream,CodeTree,HuffmanDecoder,HuffmanEncoder,InternalNode}.java: Tweaked Java code to use Objects.requireNonNull() more idiomatically.

  nayuki

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Commits on Jul 11, 2018

• {CanonicalCode,CodeTree,FrequencyTable,HuffmanCoder}.hpp: Tweaked all constructors to be explicit.

  nayuki

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• FrequencyTable.hpp, FrequencyTable.java: Tweaked comments.

  nayuki

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• CanonicalCode.hpp, FrequencyTable.cpp: Tweaked comment text, alphabetized #include directives.

  nayuki

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• CanonicalCode.cpp: Tweaked code for pedantic correctness.

  nayuki

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Commits on Jun 30, 2018

• CodeTree.{cpp,hpp}: Changed field to be an object rather than unique_ptr, to reduce indirection and casting.

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  nayuki

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• HuffmanCompress.cpp: Clarified a tiny expression.

  nayuki

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• {AdaptiveHuffman,Huffman}{Compress,Decompress}.cpp: Added const qualifier to some variables, to improve clarity and avoid misuse.

  nayuki

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• HuffmanCompress: Simplified an expression of code in all 3 languages.

  nayuki

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• FrequencyTable.{cpp,hpp}: Moved ugly queue-popping logic into new helper function.

  nayuki

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• FrequencyTable.{cpp,hpp}: Changed private class NodeWithFrequency's constructor to reduce code but increase risk of misuse.

  nayuki

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• {CodeTree,HuffmanCoder}.hpp: Reduced blank lines between sections within classes due to multiple classes per file.

  nayuki

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• Added C++ port of all application and library code (derived from Java version), updated readme document.

  nayuki

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• FrequencyTable.java, InternalNode.java: Tweaked a comment, added a blank line, reordered an import below header comment.

  nayuki

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• huffmancoding.py: Simplified a few for-loop tests using any() and generator.

  nayuki

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• huffmancoding.py: Fixed logic error in CanonicalCode due to carelessly copying a block of code from above, when Python code was ported from Java.

  nayuki

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Commits on Jun 29, 2018

• CanonicalCode.java, huffmancoding.py: Fixed a bounds check in CanonicalCode.buildCodeLengths().

  nayuki

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• Huffman{Decoder,Encoder}.java: Added section comments.

  nayuki

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• Tweaked section comments in Java code to be more prominent.

  nayuki

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• BitOutputStream.java: Fixed a comment.

  nayuki

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Commits on Jun 12, 2018

• Rewrote a small piece of Python code for clarity.

  nayuki

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• Simplified Python code for unpacking command line arguments.

  nayuki

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• Tweaked Python main demo programs to use multi-variable with-statement instead of try-finally.

  nayuki

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Commits on Oct 23, 2017

• Changed BitInputStream/BitOutputStream to be Autocloseable, replaced try-finally-close logic by try-with-resources (Java SE 7+) in application programs.

  nayuki

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