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Heron-Centric: Ruminations of a Language Designer
A Weblog by Christopher Diggins
Christopher is the creator of the Heron programming language.
B. Scott Andersen
Vladimir Ritz Bossicard
James O. Coplien
Cees de Groot
David Heinemeier Hansson
Jakob Eg Larsen
Robert C. Martin
John D. Mitchell
Eric S. Raymond
Guido van van Rossum
Richard Hale Shaw
November 2, 2005, 17 comments
A very important programming principle is that of separation of concerns. A class should have one clearly defined responsibility. When this is violated problems arise, for instance in the STL.
October 30, 2005, 9 comments
October 28, 2005, 7 comments
October 27, 2005, 16 comments
I frequently encounter open-source code which reimplements code which exists elsewhere (and usually does so badly). When everyone is busy reinventing the wheel, no one has the time to build a cart.
October 21, 2005, 83 comments
More and more programmers and researchers have been suggesting heresies along the lines of "programmers should only work with a view of source code, not the source itself".
October 18, 2005, 3 comments
The Lua programming language is an extension programming language, which holds special interest to me and anyone who is implementing any kind of interpreter.
October 16, 2005, 11 comments
I want Heron control structures to be defined as macros. It should be easy for a programmer to introduce a do/while loop or a better for statement. One of the principal motivations, is that the programmer should be able to specialize these things for specific types, or meta-types.
October 10, 2005, 47 comments
The design of Heron is more inspired by the problems faced by library developers than software developers.
October 6, 2005, 4 comments
I am exploring the possibility of defining macros as patterns and transformation applied to an s-expression representation of the syntax. Maybe this is the path to writing a fully extendible language?
October 2, 2005, 35 comments
Macros are a frequently overlooked yet tremendously useful language feature. What if we give them a more modern twist?
September 30, 2005, 30 comments
Closures are extremely useful, no question, but they are hard to implement efficiently. I am considering implementing them in Heron but with auto-destruction semantics.
September 29, 2005, 31 comments
Guy says: "Essentially, programmers shouldn't have to worry too much about optimizing while they're writing programs. Instead, that optimization can be done by compilers, either ahead of time or on the fly.", but I disagree.
September 27, 2005, 22 comments
The latest HeronScript does type-casting backwards.
September 24, 2005, 15 comments
Every once in a while I come up with a good idea for Heron, and then inevitably Vesa Karvonen tells me that it existed in ML since the dawn of time. Maybe this time will be different?