The Rust Programming Language: Accepting Command Line Arguments

Parse a file path and report a missing argument clearly.

How to study this source

• How do I control data ownership and handle failures in a compiled program?

  coreAccepting Command Line Arguments

  Parse a file path and report a missing argument clearly.

Ideas and questions

Read background definitions when a term blocks the argument. Then return to the source and reconstruct its claim in your own words.

Read alongside, read against

• The Rust Programming Language: Defining an Enum

  Steve Klabnik · Carol Nichols · Chris Krycho. Compare assumptions, evidence and scope with the source above. These are editorial companions, not necessarily direct responses.

• The Rust Programming Language: Storing UTF-8 Encoded Text with Strings

  Steve Klabnik · Carol Nichols · Chris Krycho. Compare assumptions, evidence and scope with the source above. These are editorial companions, not necessarily direct responses.