Changelog

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v0.2.0 (2026-04-21)

Features

  • Celixir.to_fun/1 and to_fun!/1 — compile a CEL expression into a plain anonymous function
  • Celixir.load_file/1 and load_file!/1 — load and compile CEL expressions from files
  • Celixir.API module with defcel macro — declarative way to define CEL function libraries with scoped namespaces
  • Celixir.Environment.put_private/3, get_private/2, get_private!/2, delete_private/2 — private storage on environments for custom function context
  • Celixir.encode/1, encode_uint/1, encode_bytes/1 — convert Elixir values to CEL internal types (inverse of unwrap/1)
  • Celixir.Ext.Math — math extension functions: math.ceil, math.floor, math.round, math.trunc, math.sqrt, math.isNaN, math.isInf, math.isFinite; bit operations (math.bitAnd, math.bitOr, math.bitXor, math.bitNot, math.bitShiftLeft, math.bitShiftRight); variadic math.greatest and math.least
  • Celixir.Ext.Strings — strings extension: strings.quote (Go-style escape-and-quote)
  • Celixir.Ext.Lists — list extension functions: lists.range, list.distinct, list.first (optional), list.last (optional), list.flatten(depth), list.sortBy(key), list.transformMapEntry(key, value [, filter])
  • Celixir.Ext.Sets — set extension functions: sets.contains, sets.equivalent, sets.intersects
  • Celixir.Ext.Encoders — base64 encoding: base64.encode, base64.decode
  • Celixir.Ext.Regex — regular expression functions: regex.replace (with optional count), regex.extract (returns optional), regex.extractAll
  • All extension modules follow the register/1 opt-in pattern — pipe them into an environment to activate
  • New comprehension macros: sortBy and transformMapEntry

v0.1.0 (2026-03-12)

Initial release.

Features

  • Full CEL expression parsing, evaluation, and compilation
  • Types: int, uint, double, bool, string, bytes, list, map, null, timestamp, duration, optional, type
  • Operators: arithmetic, comparison, logical (with short-circuit error absorption), ternary, membership
  • Standard functions: string, math, list, set, type conversion, encoding
  • Comprehension macros: all, exists, exists_one, filter, map, transformList, transformMap
  • Optional values: optional.of, optional.none, optional.ofNonZeroValue, hasValue, value, orValue, or
  • Compile-once/evaluate-many via Celixir.Program
  • Compile-time sigil ~CEL for zero-cost parsed ASTs
  • Custom function registration via Celixir.Environment
  • Static type checking via Celixir.Checker
  • Protobuf integration via Celixir.ProtobufAdapter (field access, has() checks, well-known type conversion)
  • 99% cel-spec conformance (380/384 tests)