ProductALGOL W语言
ALGOL W
A programming language developed collaboratively by Tony Hoare and Niklaus Wirth, belonging to the ALGOL family. It holds a notable place in programming history as the language in which the null reference was first introduced into a type system.
Timeline (last 90 days)
Sep 30
The null reference was introduced while designing the reference type system for the object-oriented language ALGOL W.
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