Dmitry Jemerov
76 lines
2.3 KiB
Markdown
76 lines
2.3 KiB
Markdown
# Module stdlib
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## Kotlin Standard Library
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The Kotlin Standard Library provides living essentials for everyday work with Kotlin.
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These include:
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- Higher-order functions implementing idiomatic patterns ([let][kotlin.let], [apply][kotlin.apply], [use][kotlin.io.use], [synchronized][kotlin.synchronized], etc).
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- Extension functions providing querying operations for collections (eager) and sequences (lazy).
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- Various utilities for working with strings and char sequences.
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- Extensions for JDK classes making it convenient to work with files, IO, and threading.
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# Package kotlin
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Core functions and types, available on all supported platforms.
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# Package kotlin.annotation
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Library support for the Kotlin annotation facility.
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# Package kotlin.collections
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Collection types, such as [Iterable][kotlin.collections.Iterable], [Collection][kotlin.collections.Collection],
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[List][kotlin.collections.List], [Set][kotlin.collections.Set], [Map][kotlin.collections.Map] and related top-level and extension functions.
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# Package kotlin.comparisons
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Helper functions for creating [Comparator][java.util.Comparator] instances.
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# Package kotlin.concurrent
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Utility functions for concurrent programming.
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# Package kotlin.io
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IO API for working with files and streams.
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# Package kotlin.jvm
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Functions and annotations specific to the Java platform.
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# Package kotlin.properties
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Standard implementations of delegates for [delegated properties](/docs/reference/delegated-properties.html)
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and helper functions for implementing custom delegates.
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# Package kotlin.ranges
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[Ranges](/docs/reference/ranges.html), Progressions and related top-level and extension functions.
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# Package kotlin.reflect
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Runtime API for [Kotlin reflection](/docs/reference/reflection.html)
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# Package kotlin.reflect.jvm
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Runtime API for interoperability between [Kotlin reflection](/docs/reference/reflection.html) and
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Java reflection.
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# Package kotlin.sequences
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[Sequence][kotlin.sequences.Sequence] type that represents lazily evaluated collections. Top-level functions for instantiating sequences
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and extension functions for sequences.
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# Package kotlin.system
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System-related utility functions.
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# Package kotlin.test
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Functions for writing test assertions.
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# Package kotlin.text
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Functions for working with text and regular expressions.
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