Results 2 issues of Trevor Wilson

Confusable identifiers for variables and types elicits a warning from the compiler: ```rust pub fn types(_: p) -> ρ { unimplemented!() } ``` ```none warning: identifier pair considered confusable between...

A-lint
A-diagnostics
T-compiler
L-confusable_idents

## Bug Report ### Version Latest `tracing v0.1.40`. Tested below with `tracing-subscriber v0.3.18` but that isn't particularly relevant. ### Description The documentation says that `ValueSet::len`: > Returns the number of...