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				use uuid::Uuid;

				pub fn generate_uuid() -> String {
				let mut buf = [b'\0'; 36];
				Uuid::new_v4().hyphenated().encode_upper(&mut buf);
				std::str::from_utf8(&buf)
				.expect("Unable to create UUID")
				.to_string()
				}

				#[cfg(test)]
				mod tests {
				use super::*;
				#[test]
				fn test_generate_uuid() {
				generate_uuid();
				}
				}