user541686
Reputation: 210643
What is the '\?' Escape Sequence in D?
What is the \? string escape sequence in D?
Upvotes: 8
Views: 258
Answers (1)
Peter Alexander
Reputation: 54290
It's just to escape ?, a literal question mark.
There really is no reason for it to be in D, but it existed in C and C++ in order to avoid the question mark being interpreted as a Trigraph. D doesn't have Trigraphs, so its inclusion must simply be for some added backwards compatibility with C and C++.
Upvotes: 6
Related Questions
- What does the question mark character ('?') mean?
- What does \\?\ mean when prepended to a file path
- Why is "\?" an escape sequence in C/C++?
- Why do '?' and '\?' give the same output in C?
- What does the \? (backslash question mark) escape sequence mean?
- What does +(?!\d) in regex mean?
- What's the meaning of `?:` in regular expression
- What is the rationale in allowing `?` to be escaped?
- What does ?: mean?
- What does "?:" do in regex?