Struct rustc_ap_rustc_ast::ast::Param

pub struct Param {
    pub attrs: AttrVec,
    pub ty: P<Ty>,
    pub pat: P<Pat>,
    pub id: NodeId,
    pub span: Span,
    pub is_placeholder: bool,
}

A parameter in a function header.

E.g., bar: usize as in fn foo(bar: usize).

Fields

attrs: AttrVec

ty: P<Ty>

pat: P<Pat>

id: NodeId

span: Span

is_placeholder: bool

Methods

impl Param

pub fn to_self(&self) -> Option<ExplicitSelf>

Attempts to cast parameter to ExplicitSelf.

pub fn is_self(&self) -> bool

Returns true if parameter is self.

pub fn from_self(
    attrs: AttrVec,
    eself: ExplicitSelf,
    eself_ident: Ident
) -> Param

Builds a Param object from ExplicitSelf.

Trait Implementations

impl Clone for Param

fn clone(&self) -> Param

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Param

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Decodable for Param

fn decode<__D: Decoder>(d: &mut __D) -> Result<Param, __D::Error>

impl Encodable for Param

fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>

impl HasAttrs for Param

fn attrs(&self) -> &[Attribute]

fn visit_attrs(&mut self, f: impl FnOnce(&mut Vec<Attribute>))