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pub fn now_ms() -> u64 { use std::time::{SystemTime, UNIX_EPOCH}; SystemTime::now() .duration_since(UNIX_EPOCH) .map(|d| d.as_millis() as u64) .unwrap_or(0) } pub fn round2(value: f64) -> f64 { (value * 100.0).round() / 100.0 }