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fadics Guest
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Posted: Sun Jan 30, 2005 5:26 am Post subject: What's the meaning of this sentence, "0;"? |
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0;
The above sentence can be compiled. What does it mean? Why C++ can compile
such sentence?
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E. Robert Tisdale Guest
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Posted: Mon Jan 31, 2005 8:56 am Post subject: Re: What's the meaning of this sentence, "0;"? |
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fadics wrote:
| Quote: | 0;
The above sentence can be compiled.
What does it mean?
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Nothing.
| Quote: | Why C++ can compile such sentence?
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Because 0 is a perfectly valid expression in C.
| Quote: | cat f.c
void f(void) { |
0;
}
| Quote: | gcc -Wall -std=c99 -pedantic -c f.c
f.c: In function `f': |
f.c:2: warning: statement with no effect
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