Error: Too few arguments
   ╭─[expected-2-found-1.txt:4:17]
   │
 2 │ fn foo(foo: int, bar: int) {}
   ·    ─┬─  
   ·     ╰─── This function takes 2 arguments,
   · 
 4 │ let _unit: () = foo(1);
   ·                 ─┬─  
   ·                  ╰─── but only 1 arguments were supplied
───╯