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Outside of tests and toy examples you're generally expected to only panic when the developer has failed to uphold an invariant, not when the user has. As a resu

• da39a3ee 6y ago
  Right, so that's relevant to a minor incidental comment I made. But what do you think of the main points, which are (a) If you write the message the way you suggest the printed error message is misleading, and (b) The Rust community does not encourage using .expect() in the way you suggest; in particular the canonical Rust documentation source instructs us to use it as foo.expect("A thing I do not expect")
  • da39a3ee 5y ago
    Similarly, from the rust stdlib docs for process::Command let hello_1 = echo_hello.output().expect("failed to execute process");