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Declaration

When simply declaring a name, the type must be explicitly stated 

let a: int;

However if a name is being assigned on declaration the type can be inferred, and thus ommited from the code 

let a = 1;

Both of these statements define a as an int, however only the second one defines the value. Attempting to use an undefined value will result in a crash at compile time.

Info

This example will not compile, as line 3 attempts to use an undefined value.

1
2
3
let a: int = 0;
println(a); // (1)
println(a);
  1. The value refered to by a has been consumed
Last update: November 13, 2022