Immediately run finalizers registered for object x.


  1. Run finalizers for an object:

    julia> obj = "Hello, World!";
    julia> finalize(obj)

    This example immediately runs the finalizers registered for the object obj.

  2. Handle the finalization of a custom object:

    julia> struct CustomObject
    julia> function Base.finalizer(obj::CustomObject)
              if !obj.finalized
                  println("Finalizing CustomObject")
                  obj.finalized = true
    julia> custom_obj = CustomObject([1, 2, 3], false);
    julia> finalize(custom_obj)

    In this example, a custom object CustomObject is defined with a finalizer method. When finalize is called on custom_obj, the finalizer is executed.

  3. Finalize an object and handle errors:
    julia> data = [4, 5, 6];
    julia> try
          catch err
              println("Error occurred during finalization: $err")

    This example shows how to handle errors that may occur during the finalization process. The try-catch block catches any errors and allows you to handle them appropriately.

Common mistake example:

julia> x = 10;
julia> finalize(x)
ERROR: MethodError: no method matching finalize(::Int64)

In this example, the finalize function is called on a simple Int object, which does not have any finalizers registered. It's important to note that finalize is intended for objects that have registered finalizers, and calling it on objects without finalizers will result in a MethodError.

See Also

assert, backtrace, code_llvm, code_lowered, code_native, code_typed, code_warntype, :@which, compilecache, current_module, eval, finalize, finalizer, fullname, function_module, function_name, include_dependency, InterruptException, invoke, isconst, isdefined, isgeneric, methodswith, method_exists, module_name, module_parent, require, subtypes, unsafe_load, workspace, __precompile__,

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