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Additionally in ATS dataviewtypes are the linear type version of ADTs for the purpose of providing in the setting of manual memory management with the convenience of pattern matching. [3] An example program might look like:
Relative to the prior year's edition of the survey, Scala's use among alternative JVM languages fell from 28.4% to 21.5%, overtaken by Kotlin, which rose from 11.4% in 2017 to 28.8% in 2018. The Popularity of Programming Language Index, [ 144 ] which tracks searches for language tutorials, ranked Scala 15th in April 2018 with a small downward ...
Playground Access PHP Ruby/Rails Python/Django SQL Other DB Fiddle [am]: Free & Paid No No No Yes MySQL, PostgreSQL, SQLite dbfiddle [an]: Free No No No Yes Db2, Firebird, MariaDB, MySQL, Node.js, Oracle, Postgres, SQL Server, SQLite, YugabyteDB
sbt is the de facto build tool in the Scala community, [6] used, for example, by the Scala 2 and Scala 3 compilers themselves, [7] [8] Play Framework, and Lichess, a popular chess server. The sbt project is "bootstrapped" — it uses sbt to build itself and considers dogfooding a positive feature.
In 2018, Kotlin was the fastest growing language on GitHub, with 2.6 times more developers compared to 2017. [54] It is the fourth most loved programming language according to the 2020 Stack Overflow Developer Survey. [55] Kotlin was also awarded the O'Reilly Open Source Software Conference Breakout Award for 2019. [56]
A concise reference for the programming paradigms listed in this article. Concurrent programming – have language constructs for concurrency, these may involve multi-threading, support for distributed computing, message passing, shared resources (including shared memory), or futures
For Scala: CSO -- Communicating Scala Objects [6] is a complete DSL for channel-based communication and concurrency whose semantic primitives are generalizations of the OCCAM primitives. CSO has been used since 2007 in the teaching of concurrent programming, and relevant lectures can be found with the ThreadCSO implementation.
Each channel symbol conveys one sync bit (LSB) and one data bit (MSB). Duration of transmission is 162 × 8192 ⁄ 12000 = 110.6 s. Transmissions nominally start one second into an even UTC minute: e.g., at hh:00:01, hh:02:01, etc. Minimum S/N for reception is around –34 dB on the WSJT scale (2500 Hz reference bandwidth).