Tim Diekmann

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Tim Diekmann has asked 23 questions and find answers to 30 problems.

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Tim Diekmann questions

What does `single_use_lifetimes` mean on a struct with derive in a function and how to solve it?
Templated Id Generator well defined behavior?
What are the use cases of raw identifiers besides new keywords?
How to create a cyclic reference with Arc and Weak?
Is it idiomatic to use `impl<T> From<T> for Option<T>` in argument position?
Is ManuallyDrop<Box<T>> with mem::uninitialized defined behavior?
Why can a function on a trait object not be called when bounded with `Self: Sized`?
What does #[automatically_derived] mean?
How to import all macros, derives, and procedural macros in Rust 2018 without using extern crate?
Why can the Rust compiler not optimize away the Err arm of Box::downcast?

Tim Diekmann answers

How to append to an existing CSV file?
How to (de)serialize a strongly typed JSON dictionary in Serde?
Type mismatch when returning from inside if statement [duplicate]
How to unwrap a &Result<_,_>?
How to show -> and => as special characters in the IntelliJ Idea IDE?
Convert &[u8] to String [duplicate]
Why can a function on a trait object not be called when bounded with `Self: Sized`?
Dereferencing Rc<Vec<T>> confusion in Rust
How to install rustup and cargo with a toolchain for all users on Linux?
Why does type inference behave differently for `HashMap` and my own struct in the presence of a type parameter default?