cyclone/_posts/2020-08-03-Released-Cyclone-Scheme-0.19.md

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post	Released Cyclone Scheme 0.19	This release improves error reporting and includes many bug fixes.

Features

• Improved error messages with filename and line numbers are now provided for a wide range of syntax errors.
• Added c-void type into (cyclone foreign).

Bug Fixes

• Fixed a bug in the optimized numeric comparison operators when comparing a double with a bignum, that could lead to undefined behavior.
• Fixed make_empty_bytevector and make_c_opaque parameters on (cyclone foreign).
• Avoid compilation errors when a program ends with a set! expression. Thanks to Yorick Hardy for the bug report!
• Fixed a bug with the interpreter such that running an import will no longer remove definitions from the global environment.
• Fixed another interpreter bug to allow import to load renamed identifiers.
• Prevent compiler errors when calling an anonymous lambda that accepts an optional argument list.