fix(go): add init-time FFI struct size assertions#231
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Panic at package init if any Go tick struct size diverges from the expected Rust repr(C, align(64)) layout. Covers all 12 mirrored structs: cEodTick, cOhlcTick, cTradeTick, cQuoteTick, cOpenInterestTick, cCalendarDay, cInterestRateTick, cIvTick, cPriceTick, cMarketValueTick, cGreeksTick, cTradeQuoteTick. Without this, a Rust-side layout change silently corrupts all Go tick data (wrong numbers, not a crash). Fixes #218 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
Add
init()function that panics if any Go tick struct size diverges from the expected Rustrepr(C, align(64))layout. Covers all 12 mirrored structs.Without this, a Rust-side layout change silently corrupts all Go tick data (wrong numbers, not a crash — hard to diagnose).
Fixes #218
Test plan
go build ./...compilesgo test ./...passes (init() assertions pass with current layout)🤖 Generated with Claude Code