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rustlings/exercises/traits
History
Ali Afsharzadeh 382e16eb7e feat(docs): add markdown linter for exercises README.md files 1 year ago
..
README.md feat(docs): add markdown linter for exercises README.md files 1 year ago
traits1.rs chore: tidied up unmatched backticks 2 years ago
traits2.rs chore: tidied up unmatched backticks 2 years ago
traits3.rs fix(traits): update hint comments 2 years ago
traits4.rs fix(traits4.rs): wrong line number 2 years ago
traits5.rs fix(traits5): make exercise prefer trait-based solution 2 years ago

README.md

Traits

A trait is a collection of methods.

Data types can implement traits. To do so, the methods making up the trait are defined for the data type. For example, the String data type implements the From<&str> trait. This allows a user to write String::from("hello").

In this way, traits are somewhat similar to Java interfaces and C++ abstract classes.

Some additional common Rust traits include:

  • Clone (the clone method)
  • Display (which allows formatted display via {})
  • Debug (which allows formatted display via {:?})

Because traits indicate shared behavior between data types, they are useful when writing generics.

Further information