[error] invalid-return-type - Return type does not match returned value: expected `Self@_eval_pow_by_cayley`, found `Self@_eval_pow_by_cayley | T2'return@call_highest_priority | T1'return@call_highest_priority | Unknown`
[error] invalid-return-type - Return type does not match returned value: expected `Self@analytic_func`, found `Self@analytic_func | T2'return@call_highest_priority | T1'return@call_highest_priority | Unknown`
[error] invalid-return-type - Return type does not match returned value: expected `Tmat@_pinv_solve`, found `T2'return@call_highest_priority | T1'return@call_highest_priority`