Eric Walker added rust - How can I avoid PhantomData in this struct definition? - Stack Overflow to Rust subtyping and variance

Eric Walker added docs and stdlib: clean up lifetime "contravariance" story · Issue #391 · rust-lang/rfcs · GitHub to Rust subtyping and variance

Eric Walker placed Rust subtyping and variance under Covariance and contravariance (computer science)

Eric Walker added rfcs/text/0738-variance.md at master · rust-lang/rfcs · GitHub to Rust subtyping and variance

Eric Walker added rust - "parameter 'a is never used" error when 'a is used in type parameter bound - Stack Overflow to Rust trait bounds

Eric Walker added rust - "parameter 'a is never used" error when 'a is used in type parameter bound - Stack Overflow to Rust subtyping and variance

Eric Walker added Subtyping and Variance - The Rustonomicon to Rust subtyping and variance

Eric Walker added generics - Specify Fn trait bound on struct definition without fixing one of the Fn parameters - Stack Overflow to Rust subtyping and variance

Eric Walker added Rust subtyping and variance to Rust language features