Add compound assignment type inference#105
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Ruby compound assignments (+=, ||=, &&=) across all 5 variable kinds were not tracked by the type checker, causing missed type errors after in-place mutations like `x += 1; x.upcase`. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Motivation
Ruby compound assignments (
+=,||=,&&=) across all 5 variable kinds (local, ivar, cvar, gvar, constant) were not tracked, causing missed type errors after in-place mutations.Changes
compound_assignments.rs:process_compound_writehandler with operator dispatch and Union approximation for logical assignsdispatch.rs: macro-based AST node detection for 15 compound assignment nodes (5 var kinds × 3 op kinds)Checked
cargo test --libbundle exec rake test🤖 Generated with Claude Code