Struct rustc_typeck::variance::constraints::Constraint

pub struct Constraint<'a> {
    pub inferred: InferredIndex,
    pub variance: &'a VarianceTerm<'a>,
}

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Declares that the variable decl_id appears in a location with variance variance.

Fields

inferred: InferredIndex

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

variance: &'a VarianceTerm<'a>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Trait Implementations

impl<'a> Copy for Constraint<'a>

impl<'a> Clone for Constraint<'a>

fn clone(&self) -> Constraint<'a>

Returns a copy of the value.

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

Performs copy-assignment from source.