error: Closure called just once immediately after it was declared
  --> redundant_closure_call.rs:15:2
   |
15 | 	i = closure();
   | 	^^^^^^^^^^^^^
   |
   = note: `-D redundant-closure-call` implied by `-D warnings`

error: Closure called just once immediately after it was declared
  --> redundant_closure_call.rs:18:2
   |
18 | 	i = closure(3);
   | 	^^^^^^^^^^^^^^

error: Try not to call a closure in the expression where it is declared.
 --> redundant_closure_call.rs:7:10
  |
7 | 	let a = (|| 42)();
  | 	        ^^^^^^^^^ help: Try doing something like: : `42`

error: Try not to call a closure in the expression where it is declared.
  --> redundant_closure_call.rs:10:14
   |
10 | 	let mut k = (|m| m+1)(i);
   | 	            ^^^^^^^^^^^^

error: Try not to call a closure in the expression where it is declared.
  --> redundant_closure_call.rs:12:6
   |
12 | 	k = (|a,b| a*b)(1,5);
   | 	    ^^^^^^^^^^^^^^^^

error: aborting due to 5 previous errors


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