alt/error_expr_not_ok_alt6.nit:42,7--9: Type Error: expected `A`, got `Int`.
alt/error_expr_not_ok_alt6.nit:43,5--8: Error: method `fail` does not exists in `Int`.
alt/error_expr_not_ok_alt6.nit:45,7--10: Type Error: expected `A`, got `null`.
-alt/error_expr_not_ok_alt6.nit:46,6--9: Error: method `fail` called on `null`.
+alt/error_expr_not_ok_alt6.nit:46,6--9: Error: method `fail` does not exists in `null`.
alt/error_expr_not_ok_alt6.nit:49,7--10: Type Error: expected `A`, got `null`.
-alt/error_expr_not_ok_alt6.nit:50,6--10: Error: method `trash` called on `null`.
+alt/error_expr_not_ok_alt6.nit:50,6--10: Error: method `trash` does not exists in `null`.
alt/error_expr_not_ok_alt6.nit:60,4--7: Type Error: expected `Bool`, got `Int`.
alt/error_expr_not_ok_alt6.nit:60,20: Type Error: expected `A`, got `Int`.
alt/error_expr_not_ok_alt6.nit:62,10--13: Type Error: expected `Bool`, got `Int`.
alt/error_expr_not_ok_alt6.nit:146,7--15: Type Error: expected `A`, got `Array[Int]`.
alt/error_expr_not_ok_alt6.nit:147,7--18: Type Error: expected `A`, got `Array[Int]`.
alt/error_expr_not_ok_alt6.nit:149,7--24: Type Error: expected `A`, got `String`.
-alt/error_expr_not_ok_alt6.nit:150,7--18: Warning: expression is already a `Int`.
alt/error_expr_not_ok_alt6.nit:150,7--18: Type Error: expected `A`, got `Int`.
+alt/error_expr_not_ok_alt6.nit:150,7--18: Warning: expression is already a `Int`.
alt/error_expr_not_ok_alt6.nit:151,7--10: Warning: expression is not null, since it is a `Int`.
alt/error_expr_not_ok_alt6.nit:151,7--23: Type Error: expected `A`, got `Int`.
-alt/error_expr_not_ok_alt6.nit:152,7--18: Warning: expression is already a `Int`.
alt/error_expr_not_ok_alt6.nit:152,7--18: Type Error: expected `A`, got `Bool`.
+alt/error_expr_not_ok_alt6.nit:152,7--18: Warning: expression is already a `Int`.