v3.9.0

Features

• Generic type parameters via <?> syntax (#1797)
• Channels: try_send() and try_receive() for non-blocking operations (#1721)
• else as syntax alias for otherwise (#1974)
• [K:V] map syntax — map keyword now optional (#1961)
• Compile-time integer constants as fixed-size array sizes (#1961)
• --emit-c writes generated C to file instead of stdout (#2049)
• Custom request headers support in http module (#1994)
• atomic.spinlock_destroy() to free spinlock memory (#1721)
• os.unset_env() to remove environment variables (#2002)
• arrays.any() and arrays.all() higher-order functions (#2000)
• strings.to_chars(), strings.from_chars(), strings.char_at(), strings.remove_prefix(), strings.remove_suffix(), strings.last_index_of() (#1997, #1998)
• time.diff() to return the difference between two timestamps (#1997)
• Helpful hints added to 10 common compiler error messages (#1566)

Bug Fixes

• Validate Channel type for first arg of all channels functions (#2061)
• Reject channels.try_receive() single capture with E3040 instead of C error leak (#2060)
• Materialize rvalue for map field access through explicit ptr deref (#2065)
• Allow local consts as fixed-size array sizes (#2070)
• Strip \$ escape in codegen so escaped interpolation emits valid C (#2077)
• Char/byte array literals use correct elem_size in codegen (#2066)
• Typecheck index argument in arrays.remove_at() and arrays.insert_at() (#2000)
• Catch channels.send/try_send type mismatch and resolve module-qualified types (#2061)

Final Release

This is the final release of the EZ programming language.