https://doc.rust-lang.org/beta/nightly-rustc/rustc_infer/infer/type.InferResult.html
InferResult in rustc_infer::infer - Rust
API documentation for the Rust `InferResult` type in crate `rustc_infer`.
rustcinfer
https://doc.rust-lang.org/stable/nightly-rustc/rustc_trait_selection/infer/type.InferResult.html
InferResult in rustc_trait_selection::infer - Rust
API documentation for the Rust `InferResult` type in crate `rustc_trait_selection`.
rustctraitselectioninfer