cairo-lang-semantic 2.18.0

Cairo semantic model.
Documentation 
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//! > Test constructor with variables that don't exist.

//! > test_runner_name
test_function_diagnostics

//! > function_code
fn foo() {
    let _x = MyStruct { a, b, a: 3 };
}

//! > function_name
foo

//! > module_code
struct MyStruct {
    a: usize,
    b: usize,
}

//! > expected_diagnostics
error[E2047]: Variable "a" not found.
 --> lib.cairo:6:25
    let _x = MyStruct { a, b, a: 3 };
                        ^

error[E2047]: Variable "b" not found.
 --> lib.cairo:6:28
    let _x = MyStruct { a, b, a: 3 };
                           ^

error[E2021]: Member specified more than once.
 --> lib.cairo:6:31
    let _x = MyStruct { a, b, a: 3 };
                              ^