Struct rustc_resolve::check_unused::UnusedImportCheckVisitor

pub(in check_unused) struct UnusedImportCheckVisitor<'a, 'b> {
    r: &'a mut Resolver<'b>,
    unused_imports: NodeMap<UnusedImport<'a>>,
    base_use_tree: Option<&'a UseTree>,
    base_id: NodeId,
    item_span: Span,
}

Fields

r: &'a mut Resolver<'b>

unused_imports: NodeMap<UnusedImport<'a>>

All the (so far) unused imports, grouped path list

base_use_tree: Option<&'a UseTree>

base_id: NodeId

item_span: Span

Implementations

impl<'a, 'b> UnusedImportCheckVisitor<'a, 'b>

pub(in check_unused) fn check_import(
    &mut self,
    id: NodeId
)

pub(in check_unused) fn unused_import(
    &mut self,
    id: NodeId
) -> &mut UnusedImport<'a>

Trait Implementations

impl<'a, 'b> Visitor<'a> for UnusedImportCheckVisitor<'a, 'b>

pub fn visit_item(&mut self, item: &'a Item)

pub fn visit_use_tree(
    &mut self,
    use_tree: &'a UseTree,
    id: NodeId,
    nested: bool
)

pub fn visit_name(&mut self, _span: Span, _name: Symbol)

pub fn visit_ident(&mut self, ident: Ident)

pub fn visit_mod(
    &mut self,
    m: &'ast Mod,
    _s: Span,
    _attrs: &[Attribute],
    _n: NodeId
)

pub fn visit_foreign_item(&mut self, i: &'ast Item<ForeignItemKind>)

pub fn visit_global_asm(&mut self, ga: &'ast GlobalAsm)

pub fn visit_local(&mut self, l: &'ast Local)

pub fn visit_block(&mut self, b: &'ast Block)

pub fn visit_stmt(&mut self, s: &'ast Stmt)

pub fn visit_param(&mut self, param: &'ast Param)

pub fn visit_arm(&mut self, a: &'ast Arm)

pub fn visit_pat(&mut self, p: &'ast Pat)

pub fn visit_anon_const(&mut self, c: &'ast AnonConst)

pub fn visit_expr(&mut self, ex: &'ast Expr)

pub fn visit_expr_post(&mut self, _ex: &'ast Expr)

pub fn visit_ty(&mut self, t: &'ast Ty)

pub fn visit_generic_param(&mut self, param: &'ast GenericParam)

pub fn visit_generics(&mut self, g: &'ast Generics)

pub fn visit_where_predicate(&mut self, p: &'ast WherePredicate)

pub fn visit_fn(&mut self, fk: FnKind<'ast>, s: Span, NodeId)

pub fn visit_assoc_item(
    &mut self,
    i: &'ast Item<AssocItemKind>,
    ctxt: AssocCtxt
)

pub fn visit_trait_ref(&mut self, t: &'ast TraitRef)

pub fn visit_param_bound(&mut self, bounds: &'ast GenericBound)

pub fn visit_poly_trait_ref(
    &mut self,
    t: &'ast PolyTraitRef,
    m: &'ast TraitBoundModifier
)

pub fn visit_variant_data(&mut self, s: &'ast VariantData)

pub fn visit_struct_field(&mut self, s: &'ast StructField)

pub fn visit_enum_def(
    &mut self,
    enum_definition: &'ast EnumDef,
    generics: &'ast Generics,
    item_id: NodeId,
    Span
)

pub fn visit_variant(&mut self, v: &'ast Variant)

pub fn visit_label(&mut self, label: &'ast Label)

pub fn visit_lifetime(&mut self, lifetime: &'ast Lifetime)

pub fn visit_mac_call(&mut self, mac: &'ast MacCall)

pub fn visit_mac_def(&mut self, _mac: &'ast MacroDef, _id: NodeId)

pub fn visit_path(&mut self, path: &'ast Path, _id: NodeId)

pub fn visit_path_segment(
    &mut self,
    path_span: Span,
    path_segment: &'ast PathSegment
)

pub fn visit_generic_args(
    &mut self,
    path_span: Span,
    generic_args: &'ast GenericArgs
)

pub fn visit_generic_arg(&mut self, generic_arg: &'ast GenericArg)

pub fn visit_assoc_ty_constraint(&mut self, constraint: &'ast AssocTyConstraint)

pub fn visit_attribute(&mut self, attr: &'ast Attribute)

pub fn visit_vis(&mut self, vis: &'ast Visibility)

pub fn visit_fn_ret_ty(&mut self, ret_ty: &'ast FnRetTy)

pub fn visit_fn_header(&mut self, _header: &'ast FnHeader)

pub fn visit_field(&mut self, f: &'ast Field)

pub fn visit_field_pattern(&mut self, fp: &'ast FieldPat)