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Not a Rust programmer, but I took the Rust code from the Rust book. Admittedly I didn’t read the whole chapter, perhaps they talk idioms later.
by dlisboa 3y ago
Not a Rust programmer, but I took the Rust code from the Rust book. Admittedly I didn’t read the whole chapter, perhaps they talk idioms later.
- lolinder 3y agoYou just needed to go down a bit further [0]. They understandably didn't want to introduce syntactic sugar until after they'd introduced the syntax it desugars into. [0] https://doc.rust-lang.org/book/ch09-02-recoverable-errors-with-result.html#a-shortcut-for-propagating-errors-the--operator https://doc.rust-lang.org/book/ch09-02-recoverable-errors-wi...