Add unsafe_type_cast dylint detector#41
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Detects narrowing integer casts (e.g., u64 → u32) and signed-to-unsigned casts that could silently truncate values or produce unexpected results in Solana programs. Suggests try_into() as the safe alternative.
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Summary
unsafe_type_castdylint detector that flags potentially unsafe integer type casts in Solana programsu64 → u32) that silently truncate values and signed-to-unsigned casts (e.g.,i64 → u64) that can produce unexpected results