Pragmatic Functional Programming using Dyalog
summary
Dyalog APL is shown as an array-first, REPL-driven language with implicit map, operators that build higher-order behavior, and interop (Raspberry Pi builds, tryapl.org demo). Examples include generating 50,000 people, producing roughly 100 million friend connections, computing hop distances by iterative Boolean compression, and serving a small web app that renders a Syncfusion tag cloud. Slides and code live on GitHub; emphasis is on concise array transforms, a parallel operator returning futures, and fast numeric/structural operations rather than heavy typing or traditional OO.
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chapters (10)
- 0:00Start
- 2:08History
- 7:44Syntax of Apl
- 8:16Operators
- 13:12Fundamental Rules
- 14:22Order of Execution
- 20:15User Defined Function
- 38:43Bucketing
- 40:14Recursive Fibonacci Definition
- 58:07Language Extensions
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