[filetype.rust]
group.identifier = ["identifier", "scoped_identifier"]
group.declaration = ["const_item", "macro_invocation", "macro_definition", "empty_statement", "attribute_item", "inner_attribute_item", "mod_item", "foreign_mod_item", "struct_item", "union_item", "enum_item", "type_item", "function_item", "function_signature_item", "impl_item", "trait_item", "associated_type", "let_declaration", "use_declaration", "extern_crate_declaration", "static_item"]
group.call = ["macro_invocation", "call_expression"]
group.arguments = ["arguments", "token_tree"]
group.statement = ["expression_statement", "let_declaration"]
group.string = ["string_literal", "raw_string_literal"]
group.number = ["integer_literal", "float_literal", "negative_literal"]
group.type = ["abstract_type", "reference_type", "metavariable", "pointer_type", "generic_type", "scoped_type_identifier", "tuple_type", "unit_type", "array_type", "function_type", "macro_invocation", "empty_type", "dynamic_type", "bounded_type", "primitive_type"]