Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

- f -

• false_node : pm_static_literals_t
• fd : rb_io
• fdset : rb_fdset_t
• filepath : pm_options, pm_parser, pm_source_file_node
• filepath_encoding : pm_scope_node
• finalize : rb_io
• flags : pm_node, rb_data_type_struct, rb_random_interface_t, RBasic
• float_nodes : pm_static_literals_t
• for_keyword_loc : pm_for_node
• format : rb_memory_view_item_component_t, rb_memory_view_t
• fptr : RFile
• free : rb_ractor_local_storage_type
• frozen_string_literal : pm_options, pm_parser
• function : rb_data_type_struct