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true } ] }, { "type": "_expression", "named": true, "subtypes": [ { "type": "_literal", "named": true }, { "type": "array_expression", "named": true }, { "type": "assignment_expression", "named": true }, { "type": "async_block", "named": true }, { "type": "await_expression", "named": true }, { "type": "binary_expression", "named": true }, { "type": "block", "named": true }, { "type": "break_expression", "named": true }, { "type": "call_expression", "named": true }, { "type": "closure_expression", "named": true }, { "type": "compound_assignment_expr", "named": true }, { "type": "const_block", "named": true }, { "type": "continue_expression", "named": true }, { "type": "field_expression", "named": true }, { "type": "for_expression", "named": true }, { "type": "gen_block", "named": true }, { "type": "generic_function", "named": true }, { "type": "identifier", "named": true }, { "type": "if_expression", "named": true }, { "type": "index_expression", "named": true }, { "type": "loop_expression", "named": true }, { "type": "macro_invocation", "named": true }, { "type": "match_expression", "named": true }, { "type": "metavariable", "named": true }, { "type": "parenthesized_expression", "named": true }, { "type": "range_expression", "named": true }, { "type": "reference_expression", "named": true }, { "type": "return_expression", "named": true }, { "type": "scoped_identifier", "named": true }, { "type": "self", "named": true }, { "type": "struct_expression", "named": true }, { "type": "try_block", "named": true }, { "type": "try_expression", "named": true }, { "type": "tuple_expression", "named": true }, { "type": "type_cast_expression", "named": true }, { "type": "unary_expression", "named": true }, { "type": "unit_expression", "named": true }, { "type": "unsafe_block", "named": true }, { "type": "while_expression", "named": true }, { "type": "yield_expression", "named": true } ] }, { "type": "_literal", "named": true, "subtypes": [ { "type": "boolean_literal", "named": true }, { "type": "char_literal", "named": true }, { "type": "float_literal", "named": true }, { "type": "integer_literal", "named": true }, { "type": "raw_string_literal", "named": true }, { "type": "string_literal", "named": true } ] }, { "type": "_literal_pattern", "named": true, "subtypes": [ { "type": "boolean_literal", "named": true }, { "type": "char_literal", "named": true }, { "type": "float_literal", "named": true }, { "type": "integer_literal", "named": true }, { "type": "negative_literal", "named": true }, { "type": "raw_string_literal", "named": true }, { "type": "string_literal", "named": true } ] }, { "type": "_pattern", "named": true, "subtypes": [ { "type": "_", "named": false }, { "type": "_literal_pattern", "named": true }, { "type": "captured_pattern", "named": true }, { "type": "const_block", "named": true }, { "type": "generic_pattern", "named": true }, { "type": "identifier", "named": true }, { "type": "macro_invocation", "named": true 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"primitive_type", "named": true }, { "type": "reference_type", "named": true }, { "type": "removed_trait_bound", "named": true }, { "type": "scoped_type_identifier", "named": true }, { "type": "tuple_type", "named": true }, { "type": "type_identifier", "named": true }, { "type": "unit_type", "named": true } ] }, { "type": "abstract_type", "named": true, "fields": { "trait": { "multiple": false, "required": true, "types": [ { "type": "bounded_type", "named": true }, { "type": "function_type", "named": true }, { "type": "generic_type", "named": true }, { "type": "removed_trait_bound", "named": true }, { "type": "scoped_type_identifier", "named": true }, { "type": "tuple_type", "named": true }, { "type": "type_identifier", "named": true } ] } }, "children": { "multiple": false, "required": false, "types": [ { "type": "type_parameters", "named": true } ] } }, { "type": "arguments", "named": true, "fields": {}, "children": { "multiple": true, "required": false, "types": [ { "type": "_expression", "named": true }, { "type": "attribute_item", "named": true } ] } }, { "type": "array_expression", "named": true, "fields": { "length": { "multiple": false, "required": false, "types": [ { "type": "_expression", "named": true } ] } }, "children": { "multiple": true, "required": false, "types": [ { "type": "_expression", "named": true }, { "type": "attribute_item", "named": true } ] } }, { "type": "array_type", "named": true, "fields": { "element": { "multiple": false, "required": true, "types": [ { "type": "_type", "named": true } ] }, "length": { "multiple": false, "required": false, "types": [ { "type": "_expression", "named": true } ] } } }, { "type": "assignment_expression", "named": true, "fields": { "left": { "multiple": false, "required": true, "types": [ { "type": "_expression", "named": true } ] }, "right": { "multiple": false, "required": true, "types": [ { "type": "_expression", "named": true } ] } } }, { "type": "associated_type", "named": true, "fields": { 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"named": true }, { "type": "metavariable", "named": true }, { "type": "scoped_identifier", "named": true }, { "type": "self", "named": true }, { "type": "super", "named": true } ] } }, { "type": "attribute_item", "named": true, "fields": {}, "children": { "multiple": false, "required": true, "types": [ { "type": "attribute", "named": true } ] } }, { "type": "await_expression", "named": true, "fields": {}, "children": { "multiple": false, "required": true, "types": [ { "type": "_expression", "named": true } ] } }, { "type": "base_field_initializer", "named": true, "fields": {}, "children": { "multiple": false, "required": true, "types": [ { "type": "_expression", "named": true } ] } }, { "type": "binary_expression", "named": true, "fields": { "left": { "multiple": false, "required": true, "types": [ { "type": "_expression", "named": true } ] }, "operator": { "multiple": false, "required": true, "types": [ { "type": "!=", "named": false }, { "type": "%", "named": false }, { "type": "&", "named": false }, { "type": "&&", "named": false }, { "type": "*", "named": false }, { "type": "+", "named": false }, { "type": "-", "named": false }, { "type": "/", "named": false }, { "type": "<", "named": false }, { "type": "<<", "named": false }, { "type": "<=", "named": false }, { "type": "==", "named": false }, { "type": ">", "named": false }, { "type": ">=", "named": false }, { "type": ">>", "named": false }, { "type": "^", "named": false }, { "type": "|", "named": false }, { "type": "||", "named": false } ] }, "right": { "multiple": false, "required": true, "types": [ { "type": "_expression", "named": true } ] } } }, { "type": "block", "named": true, "fields": {}, "children": { "multiple": true, "required": false, "types": [ { "type": "_declaration_statement", "named": true }, { "type": "_expression", "named": true }, { "type": "expression_statement", "named": true }, { "type": "label", "named": true } ] } }, { "type": "block_comment", "named": true, "fields": { "doc": { "multiple": false, "required": false, "types": [ { "type": "doc_comment", "named": true } ] }, "inner": { "multiple": false, "required": false, "types": [ { "type": "inner_doc_comment_marker", "named": true } ] }, "outer": { "multiple": false, "required": false, "types": [ { "type": "outer_doc_comment_marker", "named": true } ] } } }, { "type": "boolean_literal", "named": true, "fields": {} }, { "type": "bounded_type", "named": true, "fields": {}, "children": { "multiple": true, "required": true, "types": [ { "type": "_type", "named": true }, { "type": "lifetime", "named": true }, { "type": "use_bounds", "named": true } ] } }, { "type": "bracketed_type", "named": true, "fields": {}, "children": { "multiple": false, "required": true, "types": [ { "type": "_type", "named": true }, { "type": "qualified_type", "named": true } ] } }, { "type": "break_expression", "named": true, "fields": {}, "children": { "multiple": true, "required": false, "types": [ { "type": "_expression", "named": true }, { "type": "label", "named": true } ] } }, { "type": "call_expression", "named": true, "fields": { "arguments": { "multiple": false, "required": true, "types": [ { "type": "arguments", "named": true } ] }, "function": { "multiple": false, "required": true, "types": [ { "type": "_literal", "named": true }, { "type": "array_expression", "named": true }, { "type": "assignment_expression", "named": true }, { "type": "async_block", "named": true }, { "type": "await_expression", "named": true }, { "type": "binary_expression", "named": true }, { "type": "block", "named": true }, { "type": "break_expression", "named": true }, { "type": "call_expression", "named": true }, { "type": "closure_expression", "named": true }, { "type": "compound_assignment_expr", "named": true }, { "type": "const_block", "named": true }, { "type": "continue_expression", "named": true }, { "type": "field_expression", "named": true }, { "type": "for_expression", "named": true }, { "type": "gen_block", "named": true }, { "type": "generic_function", "named": true }, { "type": "identifier", "named": true }, { "type": "if_expression", "named": true }, { "type": "index_expression", "named": true }, { "type": "loop_expression", "named": true }, { "type": "macro_invocation", "named": true }, { "type": "match_expression", "named": true }, { "type": "metavariable", "named": true }, { "type": "parenthesized_expression", "named": true }, { "type": "reference_expression", "named": true }, { "type": "return_expression", "named": true }, { "type": "scoped_identifier", "named": true }, { "type": "self", "named": true }, { "type": "struct_expression", "named": true }, { "type": "try_block", "named": true }, { "type": "try_expression", "named": true }, { "type": "tuple_expression", "named": true }, { "type": "type_cast_expression", "named": true }, { "type": "unary_expression", "named": true }, { "type": "unit_expression", "named": true }, { "type": "unsafe_block", "named": true }, { "type": "while_expression", "named": true }, { "type": "yield_expression", "named": true } ] } } }, { "type": "captured_pattern", "named": true, "fields": {}, "children": { "multiple": true, "required": true, "types": [ { "type": "_pattern", "named": true } ] } }, { "type": "closure_expression", "named": true, "fields": { "body": { "multiple": false, "required": true, "types": [ { "type": "_", "named": false }, { "type": "_expression", "named": true } ] }, "parameters": { "multiple": false, "required": true, "types": [ { "type": "closure_parameters", "named": true } ] }, "return_type": { "multiple": false, "required": false, "types": [ { "type": "_type", "named": true } ] } } }, { "type": "closure_parameters", "named": true, "fields": {}, "children": { "multiple": true, "required": false, "types": [ { "type": "_pattern", "named": true }, { "type": "parameter", "named": true } ] } }, { "type": "compound_assignment_expr", "named": true, "fields": { "left": { "multiple": false, "required": true, "types": [ { "type": 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false, "types": [ { "type": "_expression", "named": true } ] } }, "children": { "multiple": false, "required": false, "types": [ { "type": "visibility_modifier", "named": true } ] } }, { "type": "const_parameter", "named": true, "fields": { "name": { "multiple": false, "required": true, "types": [ { "type": "identifier", "named": true } ] }, "type": { "multiple": false, "required": true, "types": [ { "type": "_type", "named": true } ] }, "value": { "multiple": false, "required": false, "types": [ { "type": "_literal", "named": true }, { "type": "block", "named": true }, { "type": "identifier", "named": true }, { "type": "negative_literal", "named": true } ] } } }, { "type": "continue_expression", "named": true, "fields": {}, "children": { "multiple": false, "required": false, "types": [ { "type": "label", "named": true } ] } }, { "type": "declaration_list", "named": true, "fields": {}, "children": { "multiple": true, "required": false, "types": [ { "type": "_declaration_statement", "named": true } ] } }, { "type": "dynamic_type", "named": true, "fields": { "trait": { "multiple": false, "required": true, "types": [ { "type": "function_type", "named": true }, { "type": "generic_type", "named": true }, { "type": "higher_ranked_trait_bound", "named": true }, { "type": "scoped_type_identifier", "named": true }, { "type": "tuple_type", "named": true }, { "type": "type_identifier", "named": true } ] } } }, { "type": "else_clause", "named": true, "fields": {}, "children": { "multiple": false, "required": true, "types": [ { "type": "block", "named": true }, { "type": "if_expression", "named": true } ] } }, { "type": "empty_statement", "named": true, "fields": {} }, { "type": "enum_item", "named": true, "fields": { "body": { "multiple": false, "required": true, "types": [ { "type": "enum_variant_list", "named": true } ] }, "name": { "multiple": false, "required": true, "types": [ { "type": "type_identifier", "named": true } ] }, "type_parameters": { "multiple": false, 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"named": true } ] } }, { "type": "expression_statement", "named": true, "fields": {}, "children": { "multiple": false, "required": true, "types": [ { "type": "_expression", "named": true } ] } }, { "type": "extern_crate_declaration", "named": true, "fields": { "alias": { "multiple": false, "required": false, "types": [ { "type": "identifier", "named": true } ] }, "name": { "multiple": false, "required": true, "types": [ { "type": "identifier", "named": true } ] } }, "children": { "multiple": true, "required": true, "types": [ { "type": "crate", "named": true }, { "type": "visibility_modifier", "named": true } ] } }, { "type": "extern_modifier", "named": true, "fields": {}, "children": { "multiple": false, "required": false, "types": [ { "type": "string_literal", "named": true } ] } }, { "type": "field_declaration", "named": true, "fields": { "name": { "multiple": false, "required": true, "types": [ { "type": "field_identifier", "named": true } ] }, "type": { "multiple": false, "required": true, "types": [ { "type": "_type", "named": true } ] } }, "children": { "multiple": false, "required": false, "types": [ { "type": "visibility_modifier", "named": true } ] } }, { "type": "field_declaration_list", "named": true, "fields": {}, "children": { "multiple": true, "required": false, "types": [ { "type": "attribute_item", "named": true }, { "type": "field_declaration", "named": true } ] } }, { "type": "field_expression", "named": true, "fields": { "field": { "multiple": false, "required": true, "types": [ { "type": "field_identifier", "named": true }, { "type": "integer_literal", "named": true } ] }, "value": { "multiple": false, "required": true, "types": [ { "type": "_expression", "named": true } ] } } }, { "type": "field_initializer", "named": true, "fields": { "field": { "multiple": false, "required": true, "types": [ { "type": "field_identifier", "named": true }, { "type": "integer_literal", "named": true } ] }, "value": { "multiple": false, "required": true, 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