pub fn make_table(tables: &[&str]) -> String {
tables.join(" , ")
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_make_table_single() {
assert_eq!(make_table(&["users"]), "users");
}
#[test]
fn test_make_table_multiple() {
assert_eq!(make_table(&["users", "orders"]), "users , orders");
}
#[test]
fn test_make_table_empty() {
assert_eq!(make_table(&[]), "");
}
}