Four Languages from Forty Years Ago
summary
Claim: the 1970s produce the core paradigms still used today — SQL, Prolog, ML, Smalltalk and VisiCalc (the ancestor of Excel). SQL gives a expression-based and declarative model of relations, interactive queries and predictable optimization. Prolog supplies logic programming with facts, rules and bi-directional unification (demo: a succinct Sudoku solver and constraint solving that just works). ML brings type inference and immutability by default plus algebraic types for clear domain models. Smalltalk delivers an always-live object system, minimal syntax, late binding and an IDE you edit while running.
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chapters (12)
- 0:00Start
- 13:23Does your programming toolkit look like this?
- 14:07The most popular programming languages
- 15:41SQL Background
- 21:08Example of "How" programming
- 22:35SQL: Separation of concerns
- 26:42Datalog example
- 27:45Bi-directional unification is awesome
- 32:46What can we learn from Prolog!
- 37:28Different defaults
- 42:27What can we learn from ML?
- 45:35Smalltalk-80 User Interface
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