Implement CEL optional conformance support - #963
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Add runtime optional values and wire optional constructors, receiver methods, lazy optMap/optFlatMap macros, and optional access operators. Parse optional select, index, list, map, and message syntax with CongoCC, then preserve the protobuf optional-entry AST fields through checking and interpretation. Enable optionals conformance coverage and remove the optional-dependent block-extension skips.
Preserve lazy evaluation for optional.or() and optional.orValue(). Validate optional aggregate entries, selection types, and typed optional indexes. Treat zero durations and epoch timestamps as zero values.
Return invalid list-index errors instead of wrapping them as present optional values. Preserve lazy optional fallbacks for parse-only expressions.
Assign a distinct ID to synthesized optional-select fields and reject optional-select syntax when the optional library is not configured.
XN137
approved these changes
Sep 17, 2026
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Add runtime optional values and wire optional constructors, receiver methods, lazy optMap/optFlatMap macros, and optional access operators.
Parse optional select, index, list, map, and message syntax with CongoCC, then preserve the protobuf optional-entry AST fields through checking and interpretation.
Enable optionals conformance coverage and remove the optional-dependent block-extension skips.