Struct syntax::ext::placeholders::PlaceholderExpander

pub struct PlaceholderExpander<'a, 'b: 'a> { /* fields omitted */ }

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Methods

impl<'a, 'b> PlaceholderExpander<'a, 'b>

pub fn new(cx: &'a mut ExtCtxt<'b>, monotonic: bool) -> Self

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pub fn add(&mut self, id: NodeId, expansion: Expansion, derives: Vec<Mark>)

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Trait Implementations

impl<'a, 'b> Folder for PlaceholderExpander<'a, 'b>

fn fold_item(&mut self, item: P<Item>) -> SmallVector<P<Item>>

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fn fold_trait_item(&mut self, item: TraitItem) -> SmallVector<TraitItem>

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fn fold_impl_item(&mut self, item: ImplItem) -> SmallVector<ImplItem>

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fn fold_expr(&mut self, expr: P<Expr>) -> P<Expr>

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fn fold_opt_expr(&mut self, expr: P<Expr>) -> Option<P<Expr>>

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fn fold_stmt(&mut self, stmt: Stmt) -> SmallVector<Stmt>

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fn fold_pat(&mut self, pat: P<Pat>) -> P<Pat>

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fn fold_ty(&mut self, ty: P<Ty>) -> P<Ty>

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fn fold_block(&mut self, block: P<Block>) -> P<Block>

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fn fold_mod(&mut self, module: Mod) -> Mod

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fn fold_mac(&mut self, mac: Mac) -> Mac

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fn fold_crate(&mut self, c: Crate) -> Crate

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Important traits for Vec<u8>

impl Write for Vec<u8>

fn fold_meta_items(&mut self, meta_items: Vec<MetaItem>) -> Vec<MetaItem>

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fn fold_meta_list_item(&mut self, list_item: NestedMetaItem) -> NestedMetaItem

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fn fold_meta_item(&mut self, meta_item: MetaItem) -> MetaItem

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fn fold_use_tree(&mut self, use_tree: UseTree) -> UseTree

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fn fold_foreign_item(&mut self, ni: ForeignItem) -> ForeignItem

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fn fold_item_simple(&mut self, i: Item) -> Item

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fn fold_struct_field(&mut self, sf: StructField) -> StructField

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fn fold_item_kind(&mut self, i: ItemKind) -> ItemKind

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fn fold_fn_decl(&mut self, d: P<FnDecl>) -> P<FnDecl>

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fn fold_arm(&mut self, a: Arm) -> Arm

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fn fold_range_end(&mut self, re: RangeEnd) -> RangeEnd

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Important traits for Vec<u8>

impl Write for Vec<u8>

fn fold_exprs(&mut self, es: Vec<P<Expr>>) -> Vec<P<Expr>>

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fn fold_ty_binding(&mut self, t: TypeBinding) -> TypeBinding

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fn fold_foreign_mod(&mut self, nm: ForeignMod) -> ForeignMod

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fn fold_global_asm(&mut self, ga: P<GlobalAsm>) -> P<GlobalAsm>

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fn fold_variant(&mut self, v: Variant) -> Variant

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fn fold_ident(&mut self, i: Ident) -> Ident

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fn fold_usize(&mut self, i: usize) -> usize

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fn fold_path(&mut self, p: Path) -> Path

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fn fold_path_parameters(&mut self, p: PathParameters) -> PathParameters

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fn fold_angle_bracketed_parameter_data(
    &mut self,
    p: AngleBracketedParameterData
) -> AngleBracketedParameterData

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fn fold_parenthesized_parameter_data(
    &mut self,
    p: ParenthesizedParameterData
) -> ParenthesizedParameterData

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fn fold_local(&mut self, l: P<Local>) -> P<Local>

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fn fold_macro_def(&mut self, def: MacroDef) -> MacroDef

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fn fold_lifetime(&mut self, l: Lifetime) -> Lifetime

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fn fold_lifetime_def(&mut self, l: LifetimeDef) -> LifetimeDef

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fn fold_attribute(&mut self, at: Attribute) -> Option<Attribute>

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fn fold_arg(&mut self, a: Arg) -> Arg

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fn fold_generics(&mut self, generics: Generics) -> Generics

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fn fold_trait_ref(&mut self, p: TraitRef) -> TraitRef

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fn fold_poly_trait_ref(&mut self, p: PolyTraitRef) -> PolyTraitRef

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fn fold_variant_data(&mut self, vdata: VariantData) -> VariantData

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Important traits for Vec<u8>

impl Write for Vec<u8>

fn fold_lifetimes(&mut self, lts: Vec<Lifetime>) -> Vec<Lifetime>

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Important traits for Vec<u8>

impl Write for Vec<u8>

fn fold_lifetime_defs(&mut self, lts: Vec<LifetimeDef>) -> Vec<LifetimeDef>

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fn fold_ty_param(&mut self, tp: TyParam) -> TyParam

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Important traits for Vec<u8>

impl Write for Vec<u8>

fn fold_ty_params(&mut self, tps: Vec<TyParam>) -> Vec<TyParam>

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fn fold_tt(&mut self, tt: TokenTree) -> TokenTree

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fn fold_tts(&mut self, tts: TokenStream) -> TokenStream

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fn fold_token(&mut self, t: Token) -> Token

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fn fold_interpolated(&mut self, nt: Nonterminal) -> Nonterminal

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fn fold_opt_lifetime(&mut self, o_lt: Option<Lifetime>) -> Option<Lifetime>

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fn fold_opt_bounds(&mut self, b: Option<TyParamBounds>) -> Option<TyParamBounds>

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fn fold_bounds(&mut self, b: TyParamBounds) -> TyParamBounds

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fn fold_ty_param_bound(&mut self, tpb: TyParamBound) -> TyParamBound

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fn fold_mt(&mut self, mt: MutTy) -> MutTy

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fn fold_field(&mut self, field: Field) -> Field

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fn fold_where_clause(&mut self, where_clause: WhereClause) -> WhereClause

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fn fold_where_predicate(
    &mut self,
    where_predicate: WherePredicate
) -> WherePredicate

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fn fold_vis(&mut self, vis: Visibility) -> Visibility

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fn new_id(&mut self, i: NodeId) -> NodeId

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fn new_span(&mut self, sp: Span) -> Span

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