Why practise typing this
Typing iterators code builds muscle memory for the symbols and indentation Rust uses most, which prose-based typing tests never cover. DevType measures your words per minute and accuracy on this snippet and tracks the individual characters you mistype, so later lessons can target them.
More Rust practice
- Iterator ChainsIterators · intermediate
- Folding To One ValueIterators · advanced
- Immutable By DefaultVariables & Types · beginner
- Shadowing Changes TypeVariables & Types · beginner
- Explicit Integer TypesVariables & Types · beginner
- Values MoveOwnership · intermediate