Criticism of the C programming language: Difference between revisions

Revision as of 22:30, 23 November 2007

Revision as of 15:57, 11 December 2007

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int sixteen = 0x3e-0x2e;

The reason is that <code>0x3e-0x2e</code> matches the form of a [[Scientific_notation#E_notation|scientific notation]] "preprocessing number", and, since token-matching is greedy, is converted to a single preprocessing token. The subsequent conversion of that to a token in a later phase of translation is ill-defined, so the compiler will not obtain the intended tokenization of

int sixteen = 0x3e - 0x2e ;