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Test eq_variable_to_rigid

Source location: crates/formality-rust/src/prove/test/occurs_check.rs:36

#[test]
fn eq_variable_to_rigid() {
    test_prove(decls(), term("exists<X, Y> {} => {X = Vec<Y>}")).assert_ok(expect!["{Constraints { env: Env { variables: [?ty_3, ?ty_1, ?ty_2], bias: Soundness, pending: [], allow_pending_outlives: false }, known_true: true, substitution: {?ty_1 => Vec<?ty_3>, ?ty_2 => ?ty_3} }}"]);
}

Rules proved (6)

Premises failed (0)

This test records no negative coverage.

Proof trees

Proof tree