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			9 lines
		
	
	
		
			256 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			9 lines
		
	
	
		
			256 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
contract A {
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  int immutable a;
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  constructor() { a = 5; }
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  function f() public { a += 7; }
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}
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// ----
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// TypeError 1581: (83-84): Cannot write to immutable here: Immutable variables can only be initialized inline or assigned directly in the constructor.
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