libstdc++
Modules
Here is a list of all modules:
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 AlgorithmsComponents for performing algorithmic operations. Includes non-modifying sequence, modifying (mutating) sequence, sorting, searching, merge, partition, heap, set, minima, maxima, and permutation operations
 Generalized Numeric operations
 Mutating
 Non-Mutating
 Sorting
 Binary Search
 Heap
 Set Operations
 AtomicsComponents for performing atomic operations
 ConcurrencyComponents for concurrent operations, including threads, mutexes, and condition variables
 Condition Variables
 Futures
 Mutexes
 Threads
 ContainersContainers are collections of objects
 Associative
 Sequences
 Unordered Associative
 Base and Implementation Classes
 DiagnosticsComponents for error handling, reporting, and diagnostic operations
 Exceptions
 ExtensionsComponents generally useful that are not part of any standard
 Dynamic Bitset.
 Policy-Based Data Structures
 Containers
 Hash-Based
 Base and Policy Classes
 Branch-Based
 Base and Policy Classes
 List-Based
 Heap-Based
 Base and Policy Classes
 Exceptions
 Tags
 Invalidation Guarantees
 Data Structure Type
 Traits
 SGI
 I/ONearly all of the I/O classes are parameterized on the type of characters they read and write. (The major exception is ios_base at the top of the hierarchy.) This is a change from pre-Standard streams, which were not templates
 Iterator TagsThese are empty types, used to distinguish different iterators. The distinction is not made by what they contain, but simply by what they are. Different underlying algorithms can then be used based on the different operations supported by different iterator types
 IteratorsAbstractions for uniform iterating through various underlying types
 LocalesClasses and functions for internationalization and localization
 Networking-ts
 NumericsComponents for performing numeric operations. Includes support for complex number types, random number generation, numeric (n-at-a-time) arrays, generalized numeric algorithms, and mathematical special functions
 Bit manipulation
 Complex Numbers
 Decimal Floating-Point Arithmetic
 Mathematical Special Functions
 Numeric Arrays
 Random Number Generation
 Random Number Generators
 Random Number Distributions
 Uniform Distributions
 Normal Distributions
 Bernoulli Distributions
 Poisson Distributions
 Random Number Utilities
 TR1 Mathematical Special Functions
 Regular ExpressionsA facility for performing regular expression pattern matching
 Base and Implementation Classes
 Strings
 Technical SpecificationsComponents specified by various Technical Specifications
 Filesystem TS
 Library Fundamentals TS
 Array creation functions
 Const-propagating wrapper
 Optional values
 Type-safe container of any type
 UtilitiesComponents deemed generally useful. Includes pair, tuple, forward/move helpers, ratio, function object, metaprogramming and type traits, time, date, and memory functions
 Function Objects
 Adaptors for pointers to functions
 Adaptors for pointers to members
 Arithmetic Classes
 Binder Classes
 Boolean Operations Classes
 Comparison Classes
 Hashes
 Negators
 Memory
 Allocators
 Pointer Abstractions
 Pointer Safety and Garbage Collection
 Metaprogramming
 Rational Arithmetic
 Time