Rust Result Return Error. Broken pipe Missing context. The Result type is an enum that has two variants - Ok T for successful value or Err E for error value.
If a panic occurs in any extern Rust function regardless of whether it is declared by the CXX bridge to return Result a message is logged and the program calls Rusts stdprocessabort. API documentation for the Rust Error struct in crate anyhow. For those unfamiliar with slotmap it is a crate that provides a data structure - the slot map - which allows you to get stable unique handles which it calls Keys to the values you put into itThe keys can be thought of as indices to a vector owning the data except are much safer in their usage because unlike an index you can delete data reuse the memory and still be secure that your.
The Result type is an enum that has two variants - Ok T for successful value or Err E for error value.
When you control how the iterator is consumed you can just use try_for_each to stop on first error. Rust Design Patterns Book. Results must be used A common problem with using return values to indicate errors is that it is easy to ignore the return value thus failing to handle the error. It will return a result that is Ok if there was no error and is Err otherwise containing the error value.