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use std::process::Command; pub fn encode_u16(num: u16) -> [u8; 2] { num.to_le_bytes() } pub fn decode_u16(bytes: &[u8]) -> String { let mut buf = [0u8; 2]; buf[0..2].copy_from_slice(bytes); u16::from_le_bytes(buf).to_string() } pub fn need_dep(name: &str) { Command::new(name) .arg("--version") .output() .unwrap_or_else(|_| panic!("Missing global binary: {}", name)); }