"Support for cons cells and linked lists has been removed from the core language."
"Quotations are now a first-class array-like type with the same literal syntax that linked lists used to have."
{ "A few quotation construction words such as " { $link curry } ", " { $link unit } " and " { $link alist>quot } " have been moved to the " { $snippet "kernel" } " vocabulary." }
{ "New " { $link track } " gadget replaces the old " { $snippet "splitter" } "; it behaves similarly but supports more than two children." }
"Key down and key up gestures have been made separate."
"Window positions and contents are now saved in the image."
"You can now paste from the clipboard using Control-V (Mac OS) or by middle-clicking (X11)."
"The UI now uses 2-dimensional rather than 3-dimensional co-ordinates, since the third dimension was never used."
"Beginnings of an MVC framework taking some cues from functional reactive programming."
}
}
{ $subtopic "Documentation"
{ $list
"Better looking markup output."
"Expanded and improved documentation."
"Full-text search."
}
}
{ $subtopic "Mac OS X-specific"
{ $list
"Factor now runs on Intel-based Macs."
{ "Redesigned Cocoa binding. Messages are now sent via the " { $snippet "->" } " parsing word, for example:"
{ $code "NSObject -> alloc -> init" }
}
"Files can be run by dropping them on the Factor icon in the dock"
{ "Services support; if you drop " { $snippet "Factor.app" } " in your " { $snippet "Applications" } " directory, you will be able to evaluate Factor code from other applications." }
"File->Run command."
}
}
{ $subtopic "Core language changes"
{ $list
{ "The " { $snippet "reverse-slice" } " word has been removed; call " { $link <reversed> } " instead." }
{ "The " { $link sum } " and " { $link product } " words have been moved into the core." }
{ "New " { $link remove-hash* } " word removes the former value." }
{ "C library interface now features full support for " { $snippet "ushort*" } " UTF-16 strings." }
{ "Restartable errors are now supported; throw them using " { $link condition } ", and invoke restarts in the listener using " { $link :res } "." }
{ { $link with-stream-table } " word for tabular formatting." }
{ "Style stack and associated words such as " { $snippet "format*" } " have been removed in favor of a better abstraction, " { $link with-style } " and " { $link with-stream-style } "." }
}
}
{ $subtopic "Contributed libraries"
{ $list
{ "There is a new mechanism for loading contributed libraries that correctly handles dependencies; see " { $link "modules" } "." }
{ "New " { $snippet "slate" } " gadget for easier graphical output for simulations and demos. (Eduardo Cavazos)" }
"Automata and boids demos. (Eduardo Cavazos)"
{ "More concise syntax for variables in " { $snippet "contrib/vars.factor" } ". (Eduardo Cavazos)" }
}
}
{ $subtopic "HTTP server"
{ $list
"Improved AJAX outliners in the help responder can now be collapsed."
{ "Files with the " { $snippet ".fhtml" } " extension are run through the " { $snippet "embedded.factor" } " module; snippets of Factor code between " { $snippet "<%" } " and " { $snippet "%>" } " are evaluated and their output intermingled with the HTML text." }
{ "New documentation covers development tools and C library interface" }
}
}
{ $subtopic "Core language"
{ $list
"Stack underflow and overflow errors are not reported as such, and not generic \"signal 11\" errors (Adam Langley)"
{ "The " { $link standard-combination } " word now takes a stack position, not a picker quotation, and delegation is now supported for words which dispatch on a stack location other than the top" }
{ "New " { $link exchange } " word" }
{ "More useful " { $link heap-stats. } " output now shows count/allocation statistics per-class, instead of per-type" }
{ "Factor now looks for a " { $snippet "factor.image" } " in the same directory as the runtime executable on Mac OS X and Windows, if you don't specify an image name parameter on the command line" }
}
}
{ $subtopic "Portability"
{ $list
"Solaris x86 port (Patrick Mauritz)"
}
}
{ $subtopic "Compiler"
{ $list
"Compiler no longer splits all branches, reducing compile time and generated code size"
}
}
{ $subtopic "C library interface"
{ $list
"Structs can now be passed by value to C functions"
{ "Callbacks from C code to Factor are now supported - see " { $link "alien-callback" } }
{ "Improved support for passing UTF16 strings to and from C functions (" { $snippet "ushort*" } " type)" }
{ "The " { $snippet "BEGIN-ENUM:" } " and " { $snippet "BEGIN-UNION:" } " parsing words have been annexed in favor of new, more consise syntax - see " { $link POSTPONE: C-ENUM: } " and " { $link POSTPONE: C-UNION: } }
}
}
{ $subtopic "Objective C library interface"
{ $list
"Objective C classes can now be subclassed"
"Objective C exceptions are now caught and reported as Factor exceptions"
"Objective C messages returning structs by value are now supported"
