Article View: comp.lang.misc
Article #3345Re: The search for heterogeneous lists is still on!
From: Urs Hoelzle
Date: Wed, 03 Apr 1991 01:34
Date: Wed, 03 Apr 1991 01:34
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new@ee.udel.edu (Darren New) writes: >printf's implementation has all the drawbacks of dynamic >typing that people have pointed out: extra runtime overhead, >misinterpretation of bits when the expected type doesn't match the >stated type, and so on. IMHO, "dynamic typing" is not equivalent to "weak typing" (and "static typing" isn't the same as "strong typing"). For example, it is impossible to "misinterpret bits" in Self (a dynamically-typed language). That is, you'll never have bugs/behavior which cannot be explained at the language level. Examples: Self: dynamically-typed, strongly-typed C: statically-typed, weakly-typed Ada: statically-typed, strongly-typed (as far as I know) BTW, some languages are between static and dynamic typing; Simula, for example, has a type-test operator in addition to static typing; if you use the type qualification operator you may have run-time type errors. In any case, printf is an example of weak typing, not dynamic typing. -Urs -- ------------------------------------------------------------------------------ Urs Hoelzle hoelzle@cs.stanford.EDU Center for Integrated Systems, CIS 42, Stanford University, Stanford, CA 94305
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arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!snorkelwacker.mit.edu!stanford.edu!neon.Stanford.EDU!hoelzleReferences:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!snorkelwacker.mit.edu!stanford.edu!neon.Stanford.EDU!hoelzle From: hoelzle@neon.Stanford.EDU (Urs Hoelzle) Newsgroups: comp.lang.misc Subject: Re: The search for heterogeneous lists is still on! Message-ID: <1991Apr3.013413.8428@neon.Stanford.EDU> Date: 3 Apr 91 01:34:13 GMT References: <167:Mar3121:32:0891@kramden.acf.nyu.edu> <49591@nigel.ee.udel.edu> Organization: Computer Science Department, Stanford University, Ca , USA Lines: 30