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Completetly revised 0.9.4 section

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Justin Ethier 2018-11-23 23:08:26 -05:00
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CHANGELOG.md
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## 0.9.4 - TBD
Features (notes)
Compiler Optimizations
code optimizations:
- optimize recursive functions by using C iteration
- combine lambda functions that are only called for side effects.
- improve inlining of primitives that work with immutable objects.
- eliminate functions that are only used to define local variables
- Optimize recursive functions by expressing the recursive calls using C iteration. This optimization is more effective when combined with the other functions listed below as those increase the chances that a loop may be compiled down to a single function which can then be "called" repeatedly using a `while` loop which is more efficient at a low level than repeated calls to C functions.
- Combine lambda functions that are only called for side effects.
- Improve inlining of primitives that work with immutable objects.
- Eliminate functions that are only used to define local variables.
true features:
- EXPERIMENTAL - Added a new feature `program` to `cond-expand` that is only defined when compiling a program. TODO: what about icyc?
Features
- Added a new feature `program` to `cond-expand` that is only defined when compiling a program. This allows, for example, a `.scm` file to contain a section of code that can be used to run unit tests when the file is compiled as a program. Or the same file can be used to import code into a library. This is similar to using the `__main__` scope in a python program.
Bug Fixes