https://doc.rust-lang.org/nightly/nightly-rustc/rustc_infer/infer/canonical/ir/solve/enum.CandidateSource.html
CandidateSource in rustc_infer::infer::canonical::ir::solve - Rust
Possible ways the given goal can be proven.
rustcinfercanonicalirsolve
https://doc.rust-lang.org/beta/nightly-rustc/rustc_type_ir/solve/enum.CandidateSource.html
CandidateSource in rustc_type_ir::solve - Rust
Possible ways the given goal can be proven.
rustctypeirsolve