Rust Standard Library
Explore the Rust Standard Library and learn how to use its powerful features.
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M01All challenges
01String Basicseasy02String Manipulationeasy03String Parsingeasy04String Buildingmedium05Unicode and Graphemesmedium06String Iteratorseasy07String Patternsmedium08OsString and Platform Stringsmedium09HashSet Operationseasy10BTreeMap Basicseasy11VecDeque Usagemedium12Collection Conversionsmedium13BTreeSet Rangesmedium14Entry API Patternhard15Binary Heap Operationsmedium16LinkedList Basicseasy17HashMap Advancedmedium18Reading Fileseasy19Writing Fileseasy20Path Operationseasy21Directory Traversalmedium22File Metadatamedium23Stdio Operationseasy24Temporary Filesmedium25Iterator Combinatorseasy26Iterator Inspectionmedium27Fold and Scanmedium28Iterator Filteringeasy29Iterator Flatteningmedium30Custom Iteratorshard31From and Into Traitseasy32TryFrom and TryIntomedium33AsRef and AsMutmedium34Borrow and ToOwnedmedium35ToString and Displayeasy36Deref and DerefMuthard37Duration Operationseasy38SystemTime Usagemedium39Environment Variableseasy40Process and Exitmedium41Number Conversionsmedium42Floating Point Edge Casesmedium43Integer Parsingeasy44Number Formattingeasy45Clone and Copy Traitseasy46Debug and Display Deriveeasy47PartialEq and Eqeasy48PartialOrd and Ordmedium49Hash Traitmedium50Default Trait Patternseasy51Box and Heap Allocationeasy52Rc and Reference Countingmedium53Arc and Thread Safetymedium54Cell and RefCellhard55Cow (Copy-on-Write)medium