Following functions and modules are provided as part of the standard library.

Functions & Modules¶

Data Structures¶

Modules¶

• Seq - contains functions for manipulating sequences
• Set - contains functions for manipulating sets
• Dict - contains functions for manipulating dictionaries
• Tuple - helper functions for analyzing/manipulating tuples
• STM - Software Transactional Memory

Asynchronous Operation¶

Functions¶

• async - Executes the lambda asynchronously
• drop - Execute the callback without waiting on its result
• never - Function that is never completed
• sleep - Suspends computation by specified duration
• timeout - Either the provided value is computed by the specified timeout, or a :timeout exception is raised

Type Manipulations¶

Modules¶

• Types - contains functions for checking a type of a value

Functions¶

• str - Converts any value to its string representation
• int - Converts any number to to int
• float - Converts any value to float
• ord - Return byte representation of an ASCII character

Control Flow¶

Functions¶

• infi - Invoke functions infinite number of times
• times - Repeat function n times

Input/Output¶

Modules¶

• IO - standard input/output actions
• File - contains functions for manipulating files
• http\Client - simple HTTP client
• http\Server Java - Java interop functions
• socket\tcp\Client - TCP Socket Client
• socket\tcp\Server - TCP Socket Server
• socket\tcp\Connection - Socket Connection handling - reading/writing to sockets
• terminal\Colors - Terminal colors
• terminal\colors\Foreground - Terminal colors - foreground
• terminal\colors\Background - Terminal colors - foreground

Interoperability¶

Modules¶

• java\Types - Java types conversions
• Java - Java interoperability interface
• System - execute external system programs

Functions¶

• eval - Dynamically evaluates the string as a Yona express

Miscellaneous¶

Modules¶

• Transducers - contains reducer transformers, used for example by generators
• context\Local - utilities for implementing custom context managers, see resource management for details
• JSON - JSON parser and generator functions
• Regexp - Regular Expressions
• Stopwatch - Simple benchmarking utilities
• Exception - Exception handling related utilities
• Random - Random number generation
• Scheduler - Simple task scheduling

Functions¶

• identity - Returns the value provided to it as an argument, without any modification

Time & Date¶

Modules¶

• Time - Time related functions

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