Enum rustc_trait_selection::traits::error_reporting::ArgKind

pub enum ArgKind {
    Arg(String, String),
    Tuple(Option<Span>, Vec<(String, String)>),
}

Summarizes information

Variants

Arg(String, String)

An argument of non-tuple type. Parameters are (name, ty)

Tuple(Option<Span>, Vec<(String, String)>)

An argument of tuple type. For a "found" argument, the span is the locationo in the source of the pattern. For a "expected" argument, it will be None. The vector is a list of (name, ty) strings for the components of the tuple.

Implementations

impl ArgKind

fn empty() -> ArgKind

pub fn from_expected_ty(t: Ty<'_>, span: Option<Span>) -> ArgKind

Creates an ArgKind from the expected type of an argument. It has no name (_) and an optional source span.

Trait Implementations

impl Clone for ArgKind

pub fn clone(&self) -> ArgKind

Returns a copy of the value.

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

Performs copy-assignment from source.