# Generated by `ast-generator`, do not edit by hand.

from .prelude import *

class TypeItem(AstNode, ):
    pass

class AsmOperand(AstNode, ):
    pass

class AsmPiece(AstNode, ):
    pass

class AssocItem(AstNode, ):
    pass

class CfgPredicate(AstNode, ):
    pass

class Expr(AstNode, ):
    pass

class ExternItem(AstNode, ):
    pass

class FieldList(AstNode, ):
    pass

class GenericArg(AstNode, ):
    pass

class GenericParam(AstNode, ):
    pass

class Meta(AstNode, ):
    pass

class Pat(AstNode, ):
    pass

class Stmt(AstNode, ):
    pass

class TypeRepr(AstNode, ):
    pass

class UseBoundGenericArg(AstNode, ):
    pass

class Item(Stmt, ):
    pass

class Abi(AstNode, ):
    abi_string: optional[string]

class ArgList(AstNode, ):
    args: list["Expr"] | child

class ArrayExprInternal(Expr, ):
    attrs: list["Attr"] | child
    exprs: list["Expr"] | child
    is_semicolon: predicate

class ArrayTypeRepr(TypeRepr, ):
    const_arg: optional["ConstArg"] | child
    element_type_repr: optional["TypeRepr"] | child

class AsmClobberAbi(AsmPiece, ):
    attrs: list["Attr"] | child

class AsmConst(AsmOperand, ):
    expr: optional["Expr"] | child
    is_const: predicate

class AsmDirSpec(AstNode, ):
    pass

class AsmExpr(Expr, Item, ):
    asm_pieces: list["AsmPiece"] | child
    attrs: list["Attr"] | child
    template: list["Expr"] | child

class AsmLabel(AsmOperand, ):
    block_expr: optional["BlockExpr"] | child

class AsmOperandExpr(AstNode, ):
    in_expr: optional["Expr"] | child
    out_expr: optional["Expr"] | child

class AsmOperandNamed(AsmPiece, ):
    asm_operand: optional["AsmOperand"] | child
    attrs: list["Attr"] | child
    name: optional["Name"] | child

class AsmOption(AstNode, ):
    is_raw: predicate

class AsmOptionsList(AsmPiece, ):
    asm_options: list["AsmOption"] | child
    attrs: list["Attr"] | child

class AsmRegOperand(AsmOperand, ):
    asm_dir_spec: optional["AsmDirSpec"] | child
    asm_operand_expr: optional["AsmOperandExpr"] | child
    asm_reg_spec: optional["AsmRegSpec"] | child

class AsmRegSpec(AstNode, ):
    identifier: optional["NameRef"] | child

class AsmSym(AsmOperand, ):
    path: optional["Path"] | child

class AssocItemList(AstNode, ):
    assoc_items: list["AssocItem"] | child
    attrs: list["Attr"] | child

class AssocTypeArg(GenericArg, ):
    const_arg: optional["ConstArg"] | child
    generic_arg_list: optional["GenericArgList"] | child
    identifier: optional["NameRef"] | child
    param_list: optional["ParamList"] | child
    ret_type: optional["RetTypeRepr"] | child
    return_type_syntax: optional["ReturnTypeSyntax"] | child
    type_repr: optional["TypeRepr"] | child
    type_bound_list: optional["TypeBoundList"] | child

class Attr(AstNode, ):
    meta: optional["Meta"] | child

class AwaitExpr(Expr, ):
    attrs: list["Attr"] | child
    expr: optional["Expr"] | child

class BecomeExpr(Expr, ):
    attrs: list["Attr"] | child
    expr: optional["Expr"] | child

class BinaryExpr(Expr, ):
    attrs: list["Attr"] | child
    lhs: optional["Expr"] | child
    operator_name: optional[string]
    rhs: optional["Expr"] | child

class BlockExpr(Expr, ):
    attrs: list["Attr"] | child
    is_async: predicate
    is_const: predicate
    is_gen: predicate
    is_move: predicate
    is_unsafe: predicate
    label: optional["Label"] | child
    stmt_list: optional["StmtList"] | child
    try_block_modifier: optional["TryBlockModifier"] | child

class BoxPat(Pat, ):
    pat: optional["Pat"] | child

class BreakExpr(Expr, ):
    attrs: list["Attr"] | child
    expr: optional["Expr"] | child
    lifetime: optional["Lifetime"] | child

class CallExpr(Expr, ):
    arg_list: optional["ArgList"] | child
    attrs: list["Attr"] | child
    function: optional["Expr"] | child

class CastExpr(Expr, ):
    attrs: list["Attr"] | child
    expr: optional["Expr"] | child
    type_repr: optional["TypeRepr"] | child

class CfgAtom(CfgPredicate, ):
    pass

class CfgAttrMeta(Meta, ):
    cfg_predicate: optional["CfgPredicate"] | child
    metas: list["Meta"] | child

class CfgComposite(CfgPredicate, ):
    cfg_predicates: list["CfgPredicate"] | child

class CfgMeta(Meta, ):
    cfg_predicate: optional["CfgPredicate"] | child

class ClosureExpr(Expr, ):
    attrs: list["Attr"] | child
    closure_body: optional["Expr"] | child
    for_binder: optional["ForBinder"] | child
    is_async: predicate
    is_const: predicate
    is_gen: predicate
    is_move: predicate
    is_static: predicate
    param_list: optional["ParamList"] | child
    ret_type: optional["RetTypeRepr"] | child

class Const(AssocItem, Item, ):
    attrs: list["Attr"] | child
    body: optional["Expr"] | child
    generic_param_list: optional["GenericParamList"] | child
    is_const: predicate
    is_default: predicate
    name: optional["Name"] | child
    type_repr: optional["TypeRepr"] | child
    visibility: optional["Visibility"] | child
    where_clause: optional["WhereClause"] | child

class ConstArg(GenericArg, ):
    expr: optional["Expr"] | child

class ConstBlockPat(Pat, ):
    block_expr: optional["BlockExpr"] | child
    is_const: predicate

class ConstParam(GenericParam, ):
    attrs: list["Attr"] | child
    default_val: optional["ConstArg"] | child
    is_const: predicate
    name: optional["Name"] | child
    type_repr: optional["TypeRepr"] | child

class ContinueExpr(Expr, ):
    attrs: list["Attr"] | child
    lifetime: optional["Lifetime"] | child

class DerefPat(Pat, ):
    pat: optional["Pat"] | child

class DynTraitTypeRepr(TypeRepr, ):
    type_bound_list: optional["TypeBoundList"] | child

class Enum(TypeItem, Item, ):
    attrs: list["Attr"] | child
    generic_param_list: optional["GenericParamList"] | child
    name: optional["Name"] | child
    variant_list: optional["VariantList"] | child
    visibility: optional["Visibility"] | child
    where_clause: optional["WhereClause"] | child

class ExprStmt(Stmt, ):
    expr: optional["Expr"] | child

class ExternBlock(Item, ):
    abi: optional["Abi"] | child
    attrs: list["Attr"] | child
    extern_item_list: optional["ExternItemList"] | child
    is_unsafe: predicate

class ExternCrate(Item, ):
    attrs: list["Attr"] | child
    identifier: optional["NameRef"] | child
    rename: optional["Rename"] | child
    visibility: optional["Visibility"] | child

class ExternItemList(AstNode, ):
    attrs: list["Attr"] | child
    extern_items: list["ExternItem"] | child

class FieldExpr(Expr, ):
    attrs: list["Attr"] | child
    container: optional["Expr"] | child
    identifier: optional["NameRef"] | child

class Function(AssocItem, ExternItem, Item, ):
    abi: optional["Abi"] | child
    attrs: list["Attr"] | child
    function_body: optional["BlockExpr"] | child
    generic_param_list: optional["GenericParamList"] | child
    is_async: predicate
    is_const: predicate
    is_default: predicate
    is_gen: predicate
    is_unsafe: predicate
    name: optional["Name"] | child
    param_list: optional["ParamList"] | child
    ret_type: optional["RetTypeRepr"] | child
    visibility: optional["Visibility"] | child
    where_clause: optional["WhereClause"] | child

class FnPtrTypeRepr(TypeRepr, ):
    abi: optional["Abi"] | child
    is_async: predicate
    is_const: predicate
    is_unsafe: predicate
    param_list: optional["ParamList"] | child
    ret_type: optional["RetTypeRepr"] | child

class ForBinder(AstNode, ):
    generic_param_list: optional["GenericParamList"] | child

class ForExpr(Expr, ):
    attrs: list["Attr"] | child
    iterable: optional["Expr"] | child
    label: optional["Label"] | child
    loop_body: optional["BlockExpr"] | child
    pat: optional["Pat"] | child

class ForTypeRepr(TypeRepr, ):
    for_binder: optional["ForBinder"] | child
    type_repr: optional["TypeRepr"] | child

class FormatArgsArg(AstNode, ):
    expr: optional["Expr"] | child
    name: optional["Name"] | child

class FormatArgsExpr(Expr, ):
    args: list["FormatArgsArg"] | child
    attrs: list["Attr"] | child
    template: optional["Expr"] | child

class GenericArgList(AstNode, ):
    generic_args: list["GenericArg"] | child

class GenericParamList(AstNode, ):
    generic_params: list["GenericParam"] | child

class IdentPat(Pat, ):
    attrs: list["Attr"] | child
    is_mut: predicate
    is_ref: predicate
    name: optional["Name"] | child
    pat: optional["Pat"] | child

class IfExpr(Expr, ):
    attrs: list["Attr"] | child
    condition: optional["Expr"] | child
    else_: optional["Expr"] | child
    then: optional["BlockExpr"] | child

class Impl(Item, ):
    assoc_item_list: optional["AssocItemList"] | child
    attrs: list["Attr"] | child
    generic_param_list: optional["GenericParamList"] | child
    is_const: predicate
    is_default: predicate
    is_unsafe: predicate
    self_ty: optional["TypeRepr"] | child
    trait_ty: optional["TypeRepr"] | child
    visibility: optional["Visibility"] | child
    where_clause: optional["WhereClause"] | child

class ImplRestriction(AstNode, ):
    visibility_inner: optional["VisibilityInner"] | child

class ImplTraitTypeRepr(TypeRepr, ):
    type_bound_list: optional["TypeBoundList"] | child

class IncludeBytesExpr(Expr, ):
    pass

class IndexExpr(Expr, ):
    attrs: list["Attr"] | child
    base: optional["Expr"] | child
    index: optional["Expr"] | child

class InferTypeRepr(TypeRepr, ):
    pass

class ItemList(AstNode, ):
    attrs: list["Attr"] | child
    items: list["Item"] | child

class KeyValueMeta(Meta, ):
    expr: optional["Expr"] | child
    path: optional["Path"] | child

class Label(AstNode, ):
    lifetime: optional["Lifetime"] | child

class LetElse(AstNode, ):
    block_expr: optional["BlockExpr"] | child

class LetExpr(Expr, ):
    attrs: list["Attr"] | child
    scrutinee: optional["Expr"] | child
    pat: optional["Pat"] | child

class LetStmt(Stmt, ):
    attrs: list["Attr"] | child
    initializer: optional["Expr"] | child
    let_else: optional["LetElse"] | child
    pat: optional["Pat"] | child
    type_repr: optional["TypeRepr"] | child

class Lifetime(UseBoundGenericArg, ):
    text: optional[string]

class LifetimeArg(GenericArg, ):
    lifetime: optional["Lifetime"] | child

class LifetimeParam(GenericParam, ):
    attrs: list["Attr"] | child
    lifetime: optional["Lifetime"] | child
    type_bound_list: optional["TypeBoundList"] | child

class LiteralExpr(Expr, ):
    attrs: list["Attr"] | child
    text_value: optional[string]

class LiteralPat(Pat, ):
    literal: optional["LiteralExpr"] | child

class LoopExpr(Expr, ):
    attrs: list["Attr"] | child
    label: optional["Label"] | child
    loop_body: optional["BlockExpr"] | child

class MacroCall(AssocItem, ExternItem, Item, ):
    attrs: list["Attr"] | child
    path: optional["Path"] | child
    token_tree: optional["TokenTree"] | child

class MacroDef(Item, ):
    args: optional["TokenTree"] | child
    attrs: list["Attr"] | child
    body: optional["TokenTree"] | child
    name: optional["Name"] | child
    visibility: optional["Visibility"] | child

class MacroExpr(Expr, ):
    macro_call: optional["MacroCall"] | child

class MacroItems(AstNode, ):
    items: list["Item"] | child

class MacroPat(Pat, ):
    macro_call: optional["MacroCall"] | child

class MacroRules(Item, ):
    attrs: list["Attr"] | child
    name: optional["Name"] | child
    token_tree: optional["TokenTree"] | child
    visibility: optional["Visibility"] | child

class MacroTypeRepr(TypeRepr, ):
    macro_call: optional["MacroCall"] | child

class MatchArm(AstNode, ):
    attrs: list["Attr"] | child
    expr: optional["Expr"] | child
    guard: optional["MatchGuard"] | child
    pat: optional["Pat"] | child

class MatchArmList(AstNode, ):
    arms: list["MatchArm"] | child
    attrs: list["Attr"] | child

class MatchExpr(Expr, ):
    attrs: list["Attr"] | child
    scrutinee: optional["Expr"] | child
    match_arm_list: optional["MatchArmList"] | child

class MatchGuard(AstNode, ):
    condition: optional["Expr"] | child

class MethodCallExpr(Expr, ):
    arg_list: optional["ArgList"] | child
    attrs: list["Attr"] | child
    generic_arg_list: optional["GenericArgList"] | child
    identifier: optional["NameRef"] | child
    receiver: optional["Expr"] | child

class Module(Item, ):
    attrs: list["Attr"] | child
    item_list: optional["ItemList"] | child
    name: optional["Name"] | child
    visibility: optional["Visibility"] | child

class MutRestriction(AstNode, ):
    is_mut: predicate
    visibility_inner: optional["VisibilityInner"] | child

class Name(AstNode, ):
    text: optional[string]

class NameRef(UseBoundGenericArg, ):
    text: optional[string]

class NeverTypeRepr(TypeRepr, ):
    pass

class NotNull(Pat, ):
    pass

class OffsetOfExpr(Expr, ):
    attrs: list["Attr"] | child
    fields: list["NameRef"] | child
    type_repr: optional["TypeRepr"] | child

class OrPat(Pat, ):
    pats: list["Pat"] | child

class Param(AstNode, ):
    attrs: list["Attr"] | child
    pat: optional["Pat"] | child
    type_repr: optional["TypeRepr"] | child

class ParamList(AstNode, ):
    params: list["Param"] | child
    self_param: optional["SelfParam"] | child

class ParenExpr(Expr, ):
    attrs: list["Attr"] | child
    expr: optional["Expr"] | child

class ParenPat(Pat, ):
    pat: optional["Pat"] | child

class ParenTypeRepr(TypeRepr, ):
    type_repr: optional["TypeRepr"] | child

class ParenthesizedArgList(AstNode, ):
    type_args: list["TypeArg"] | child

class Path(AstNode, ):
    qualifier: optional["Path"] | child
    segment: optional["PathSegment"] | child

class PathExpr(Expr, ):
    attrs: list["Attr"] | child
    path: optional["Path"] | child

class PathMeta(Meta, ):
    path: optional["Path"] | child

class PathPat(Pat, ):
    path: optional["Path"] | child

class PathSegment(AstNode, ):
    generic_arg_list: optional["GenericArgList"] | child
    identifier: optional["NameRef"] | child
    parenthesized_arg_list: optional["ParenthesizedArgList"] | child
    ret_type: optional["RetTypeRepr"] | child
    return_type_syntax: optional["ReturnTypeSyntax"] | child

class PathTypeRepr(TypeRepr, ):
    path: optional["Path"] | child

class PatternTypeRepr(TypeRepr, ):
    pat: optional["Pat"] | child
    type_repr: optional["TypeRepr"] | child

class PrefixExpr(Expr, ):
    attrs: list["Attr"] | child
    expr: optional["Expr"] | child
    operator_name: optional[string]

class PtrTypeRepr(TypeRepr, ):
    is_const: predicate
    is_mut: predicate
    type_repr: optional["TypeRepr"] | child

class RangeExpr(Expr, ):
    attrs: list["Attr"] | child
    end: optional["Expr"] | child
    operator_name: optional[string]
    start: optional["Expr"] | child

class RangePat(Pat, ):
    end: optional["Pat"] | child
    operator_name: optional[string]
    start: optional["Pat"] | child

class StructExpr(Expr, ):
    path: optional["Path"] | child
    struct_expr_field_list: optional["StructExprFieldList"] | child

class StructExprField(AstNode, ):
    attrs: list["Attr"] | child
    expr: optional["Expr"] | child
    identifier: optional["NameRef"] | child

class StructExprFieldList(AstNode, ):
    attrs: list["Attr"] | child
    fields: list["StructExprField"] | child
    spread: optional["Expr"] | child

class StructField(AstNode, ):
    attrs: list["Attr"] | child
    default_val: optional["ConstArg"] | child
    is_unsafe: predicate
    mut_restriction: optional["MutRestriction"] | child
    name: optional["Name"] | child
    type_repr: optional["TypeRepr"] | child
    visibility: optional["Visibility"] | child

class StructFieldList(FieldList, ):
    fields: list["StructField"] | child

class StructPat(Pat, ):
    path: optional["Path"] | child
    struct_pat_field_list: optional["StructPatFieldList"] | child

class StructPatField(AstNode, ):
    attrs: list["Attr"] | child
    identifier: optional["NameRef"] | child
    pat: optional["Pat"] | child

class StructPatFieldList(AstNode, ):
    fields: list["StructPatField"] | child
    rest_pat: optional["RestPat"] | child

class RefExpr(Expr, ):
    attrs: list["Attr"] | child
    expr: optional["Expr"] | child
    is_const: predicate
    is_mut: predicate
    is_raw: predicate

class RefPat(Pat, ):
    is_mut: predicate
    pat: optional["Pat"] | child

class RefTypeRepr(TypeRepr, ):
    is_mut: predicate
    lifetime: optional["Lifetime"] | child
    type_repr: optional["TypeRepr"] | child

class Rename(AstNode, ):
    name: optional["Name"] | child

class RestPat(Pat, ):
    attrs: list["Attr"] | child

class RetTypeRepr(AstNode, ):
    type_repr: optional["TypeRepr"] | child

class ReturnExpr(Expr, ):
    attrs: list["Attr"] | child
    expr: optional["Expr"] | child

class ReturnTypeSyntax(AstNode, ):
    pass

class SelfParam(AstNode, ):
    attrs: list["Attr"] | child
    is_ref: predicate
    is_mut: predicate
    lifetime: optional["Lifetime"] | child
    name: optional["Name"] | child
    type_repr: optional["TypeRepr"] | child

class SlicePat(Pat, ):
    pats: list["Pat"] | child

class SliceTypeRepr(TypeRepr, ):
    type_repr: optional["TypeRepr"] | child

class SourceFile(AstNode, ):
    attrs: list["Attr"] | child
    items: list["Item"] | child

class Static(ExternItem, Item, ):
    attrs: list["Attr"] | child
    body: optional["Expr"] | child
    is_mut: predicate
    is_static: predicate
    is_unsafe: predicate
    name: optional["Name"] | child
    type_repr: optional["TypeRepr"] | child
    visibility: optional["Visibility"] | child

class StmtList(AstNode, ):
    attrs: list["Attr"] | child
    statements: list["Stmt"] | child
    tail_expr: optional["Expr"] | child

class Struct(TypeItem, Item, ):
    attrs: list["Attr"] | child
    field_list: optional["FieldList"] | child
    generic_param_list: optional["GenericParamList"] | child
    name: optional["Name"] | child
    visibility: optional["Visibility"] | child
    where_clause: optional["WhereClause"] | child

class TokenTree(AstNode, ):
    pass

class TokenTreeMeta(Meta, ):
    path: optional["Path"] | child
    token_tree: optional["TokenTree"] | child

class Trait(Item, ):
    assoc_item_list: optional["AssocItemList"] | child
    attrs: list["Attr"] | child
    generic_param_list: optional["GenericParamList"] | child
    impl_restriction: optional["ImplRestriction"] | child
    is_auto: predicate
    is_unsafe: predicate
    name: optional["Name"] | child
    type_bound_list: optional["TypeBoundList"] | child
    visibility: optional["Visibility"] | child
    where_clause: optional["WhereClause"] | child

class TryBlockModifier(AstNode, ):
    is_try: predicate
    type_repr: optional["TypeRepr"] | child

class TryExpr(Expr, ):
    attrs: list["Attr"] | child
    expr: optional["Expr"] | child

class TupleExpr(Expr, ):
    attrs: list["Attr"] | child
    fields: list["Expr"] | child

class TupleField(AstNode, ):
    attrs: list["Attr"] | child
    mut_restriction: optional["MutRestriction"] | child
    type_repr: optional["TypeRepr"] | child
    visibility: optional["Visibility"] | child

class TupleFieldList(FieldList, ):
    fields: list["TupleField"] | child

class TuplePat(Pat, ):
    fields: list["Pat"] | child

class TupleStructPat(Pat, ):
    fields: list["Pat"] | child
    path: optional["Path"] | child

class TupleTypeRepr(TypeRepr, ):
    fields: list["TypeRepr"] | child

class TypeAlias(AssocItem, ExternItem, Item, ):
    attrs: list["Attr"] | child
    generic_param_list: optional["GenericParamList"] | child
    is_default: predicate
    name: optional["Name"] | child
    type_repr: optional["TypeRepr"] | child
    type_bound_list: optional["TypeBoundList"] | child
    visibility: optional["Visibility"] | child
    where_clause: optional["WhereClause"] | child

class TypeArg(GenericArg, ):
    type_repr: optional["TypeRepr"] | child

class TypeBound(AstNode, ):
    for_binder: optional["ForBinder"] | child
    is_async: predicate
    is_const: predicate
    lifetime: optional["Lifetime"] | child
    type_repr: optional["TypeRepr"] | child
    use_bound_generic_args: optional["UseBoundGenericArgs"] | child

class TypeBoundList(AstNode, ):
    bounds: list["TypeBound"] | child

class TypeParam(GenericParam, ):
    attrs: list["Attr"] | child
    default_type: optional["TypeRepr"] | child
    name: optional["Name"] | child
    type_bound_list: optional["TypeBoundList"] | child

class UnderscoreExpr(Expr, ):
    attrs: list["Attr"] | child

class Union(TypeItem, Item, ):
    attrs: list["Attr"] | child
    generic_param_list: optional["GenericParamList"] | child
    name: optional["Name"] | child
    struct_field_list: optional["StructFieldList"] | child
    visibility: optional["Visibility"] | child
    where_clause: optional["WhereClause"] | child

class UnsafeMeta(Meta, ):
    is_unsafe: predicate
    meta: optional["Meta"] | child

class Use(Item, ):
    attrs: list["Attr"] | child
    use_tree: optional["UseTree"] | child
    visibility: optional["Visibility"] | child

class UseBoundGenericArgs(AstNode, ):
    use_bound_generic_args: list["UseBoundGenericArg"] | child

class UseTree(AstNode, ):
    is_glob: predicate
    path: optional["Path"] | child
    rename: optional["Rename"] | child
    use_tree_list: optional["UseTreeList"] | child

class UseTreeList(AstNode, ):
    use_trees: list["UseTree"] | child

class Variant(AstNode, ):
    attrs: list["Attr"] | child
    const_arg: optional["ConstArg"] | child
    field_list: optional["FieldList"] | child
    name: optional["Name"] | child
    visibility: optional["Visibility"] | child

class VariantList(AstNode, ):
    variants: list["Variant"] | child

class Visibility(AstNode, ):
    visibility_inner: optional["VisibilityInner"] | child

class VisibilityInner(AstNode, ):
    path: optional["Path"] | child

class WhereClause(AstNode, ):
    predicates: list["WherePred"] | child

class WherePred(AstNode, ):
    for_binder: optional["ForBinder"] | child
    lifetime: optional["Lifetime"] | child
    type_repr: optional["TypeRepr"] | child
    type_bound_list: optional["TypeBoundList"] | child

class WhileExpr(Expr, ):
    attrs: list["Attr"] | child
    condition: optional["Expr"] | child
    label: optional["Label"] | child
    loop_body: optional["BlockExpr"] | child

class WildcardPat(Pat, ):
    pass

class YeetExpr(Expr, ):
    attrs: list["Attr"] | child
    expr: optional["Expr"] | child

class YieldExpr(Expr, ):
    attrs: list["Attr"] | child
    expr: optional["Expr"] | child