Factor 0.97发布,基于堆栈的编程语言

　　Factor 是concatenative,基于堆栈的编程语言和高级功能,包括动态类型,可扩展语法,宏,和垃圾收集。在实践方面,有一个全功能的、支持许多不同的平台上的库，被广为记载。

示例代码：

USING: io math sequences ;

"Hello world" print
10 [ "Hello, Factor" print ] times
"Hello, " "Factor" append print

性能比较：

Factor 0.97 发布，此版本现已提供下载：

Source code:0.97

此版本包括超过 1,400 个 commits，贡献者如下：

Alex Vondrak, Andrew Pennebaker, Benjamin Pollack, Björn Lindqvist, CW Alston, Doug Coleman, Erik Charlebois, Fred Alger, Iskander Sitdikov, John Benediktsson, Jon Harper, Loryn Jenkins, Paul Woolcock, Roc King, Samuel Tardieu, Steven Stewart-Gallus, and @Profpatsch

同时还有一些 bug 修复和库改进，值得关注的改进如下：

• 支持更多的 color spaces ：LAB, LCH, LUV, RYB, xyY, XYZ 和 YUV

• 支持 Windows 的 SSL 
  

• 添加了一些新的 checksum 实现和性能提升

• 跨平台 C 库 finder 
  

• IMAP 协议客户端

• 支持 MessagePack 编码和解码

• 支持 uuencoding and uudecoding

• 支持 terminfo 数据库文件

• 支持 tzinfo 文件

• Support for in-place sorting (using Quicksort)

• 绑定了 ZeroMQ 和 Python

• Runner for Applescript (including definition support)

•  printf 性能提升，支持 vprintf 


• 支持在 GTK，Cocoa 和 Windows 后端保存图像

• Generative Modeling Language

• 为编译器添加了大量的文档 
  

• 大量的 FUEL emacs 模式改进 
  

解决了一些向后兼容问题：

• Fixed mask? in math.bitwise to be more correct

• Fixed bias in Mersenne Twister random number generator

• Better support for shebang (no longer need a space after #!)

• io-error now lives in the libc vocabulary

• sender stubs in cocoa.messages now named by method signature

• filter now allocates length of seq, not exemplar.

• Removed make-assoc in favor of explicit get's.

一些 FUEL 改进，Factor's emacs 模式：

• Modernize for emacs 24.3

• Prepare FUEL to be uploaded to MELPA

• Change font locking and syntax highlighting

• Make fuel-help work for vocabularies also

• New minor mode: fuel-autohelp-mode

• Fix word help to use correct vocabulary using list

• Variable controlling whether fuel-mode is loaded automatically

• Fixes to table rendering

新库：

• alien.libraries.finder: cross-platform C library finder

• checksums.fletcher: Fletcher in 16/32/64-bit

• checksums.murmur: MurmurHash3 in 32-bit

• checksums.superfast: SuperFastHash

• checksums.xxhash: xxHash in 32-bit

• cocoa.apple-script: runner for AppleScript

• colors.distances: CIE76, CIE94, CIEDE2000, and CMC l:c color differences

• colors.lab: support for CIE 1976 LAB colors

• colors.lch: support for CIELCH colors

• colors.luv: support for CIE 1976 LUV colors

• colors.ryb: support for RYB colors

• colors.xyy: support for CIE 1931 xyY colors

• colors.xyz: support for CIE 1931 XYZ colors

• colors.yuv: support for YUV colors

• compression.snappy: bindings to snappy compression library

• crypto.aes: lookup-table AES implementation

• cuesheet: parser for CUE files

• curl: bindings for libcurl

• editors.atom: support for Atom text editor

• fftw: bindings to FFTW library

• gml: support for Generative Modeling Language

• grouping.extras: helpful words

• html.entities: escape and unescape HTML5 entities

• imap: client for IMAP servers

• io.encodings.utf7: support for UTF7 encodings

• io.streams.ansi: support for ANSI color streams

• magic: bindings to libmagic

• marvel: support for Marvel.com API

• math.combinators: some convenience words

• matrices.laplace: adding Laplace expansion

• math.unicode: implement unicode math symbols

• pcre: bindings for PCRE

• python: bindings for Python

• random.rdrand: random number generator using RDRAND instruction

• rosetta-code.josephus-problem: solved

• rosetta-code.metronome: solved

• sorting.heap: implement Heapsort

• sorting.quick: implement Quicksort

• spotlight: adding Spotlight search wrapper for Mac OS X

• terminfo: parser for terminfo database files

• tzinfo: parser for timezone files

• tools.dns.public: adding well-known public DNS servers

• uu: support for uuencoding and uudecoding

• yaml: reading and writing the YAML format

• youtube: downloader for youtube.com

• wikipedia: support historical events and article printing

• windows.ntdll: process listing on Windows

• windows.winmm: to play MP3 files

• zeromq: bindings for ZeroMQ

改进的库：

• arrays.shaped: iteration with indices, mapping operations

• bson.reader: support reading sequence of BSON objects from a file

• calendar.format: fix timestamp parsing without a timezone (fixes #861)

• calendar.threads: support M\ timestamp sleep-until

• circular: adding circular-loop

• color-picker: show hex value of color

• combinators.extras: more words

• concurrency.combinators: adding parallel versions of cartesian-{map,each}

• destructors: faster dispose-each

• dlists: adding push-before and push-sorted

• dns: support custom DNS server lookups

• environment: adding with-os-env for using temporary environment variables

• formatting: performance improvements, added  vprintf for runtime formatting

• google.translate: adding translate-tts

• graphviz: miscellaneous improvements by @ajvondrak

• grouping.extras: more words

• hash-sets: minor cleanup

• hashtables: minor cleanup

• help.html: use tools.completions for searching

• html.parser.analyzer: make find-between* work on nested tags

• html.parser.printer: better html-text.

• http.client: versions of http-get and friends that don't check response code

• infix: adding INFIX:: word definitions

• interpolate: adding generalized numbered string interpolation

• io.binary: faster le> and signed-be> and signed>

• io.binary.fast: generic be> and le> that try to be fast

• io.directories: adding with-resource-directory

• io.encodings.string: faster decode and encode for ascii and utf8

• io.sockets.secure.openssl: fix subject name checks

• io.streams.byte-array: performance improvements

• io.streams.random: performance improvements

• io.streams.string: performance improvements

• ip-parser: adding ntoa and aton

• math.bitwise: adding bit-length

• math.combinatorics: performance improvements, k-permutations

• math.extras: more words

• math.factorials: adding factorials

• math.functions: implement ldexp

• math.matrices: performance improvements

• math.ranges: implement sum on range objects

• math.statistics: fix out-of-bounds in quantiles, more words

• math.text.english: support ratio, float, complex

• mirrors: strings can be inspected-sequence (fixes #857)

• openal.examples: adding play-waveform and play-sine

• pack: support numbered format strings (e.g., "4ci")

• random: performance improvements

• random.mersenne-twister: bug fixes

• redis: adding hash commands, upgraded to modern protocol

• semantic-versioning: support for Semantic Versioning 2.0.0

• sequences: implement sum on iota-tuple objects

• sequences.extras: more words

• sequences.product: performance improvements

• sequences.windowed: performance improvements

• sets.extras: more words

• sorting.insertion: performance improvements

• spelling: minor fixes and performance improvements

• spider: ignore non-html files

• system-info: implement system-report. on Linux.

• tools.deploy.config: specific deploy-directory

• tools.dns: adding dns-host to lookup from a specific host

• tools.test: allow testing from command-line

• twitter: updates

• units.imperial: more units

• unix.users: add utility word to find a user's home directory

• unix.utmpx: support on Linux and fixes on Mac OS X

• webbrowser: support open-file on pathname objects