rust-decimal

【数据与研究】rust_decimal — fixed-point decimal arithmetic for Rust. 128-bit signed decimal, exact (no float rounding errors), suitable for finance, currency, Bitcoin sat ↔ fiat conversions, accounting. Up to 28 significant digits, arithmetic preserves precision. Includes RoundingStrategy for explicit truncation/rounding control. Integrates with serde, sqlx, post…

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