Now strPtr and strArray are considered to be string literals. No, they aren’t. String literals are the things you see in your code. For example, the “Hello”. strPtr is a pointer to the literal (which is now compiled in the executable). Note that it should be const char *; you cannot legally remove the const … Read more
Those prefixes are hardcoded in the interpreter, you can’t register more prefixes. What you could do however, is preprocess your Python files, by using a custom source codec. This is a rather neat hack, one that requires you to register a custom codec, and to understand and apply source code transformations. Python allows you to … Read more
Unary + can be applied to arithmetic type values, unscoped enumeration values and pointer values because … the C++ standard defines it that way, in C++11 ยง5.3.1/7. In this case the string literal, which is of type array of char const, decays to pointer to char const. It’s always a good idea to look at … Read more
This is not undefined behavior, but unspecified behavior. For string literals, The compiler is allowed, but not required, to combine storage for equal or overlapping string literals. That means that identical string literals may or may not compare equal when compared by pointer. That means the result of A == B might be true or … Read more
There is no string data type in C. Is this C++? Or is string a typedef? Assuming string is a typedef for char *, what you probably want is strlen, not sizeof. The 8 that you are getting with sizeof is actually the size of the pointer (to the first character in the string).
Replace ‘\u’ with ‘0x’ and cast it to System.Char: PS > [char]0x0048 H You can also use the “$()” syntax to embed a Unicode character into a string: PS > “Acme$([char]0x2122) Company” AcmeT Company Where T is PowerShell’s representation of the character for non-registered trademarks. Note: this method works only for characters in Plane 0, … Read more
I don’t know how well these options actually work (not using them atm; I still prefer treating string literals as ‘ASCII only’, since localized strings come from external files anyway so it’s mostly things like format strings or filenames), but they have added options like -fexec-charset=charset Set the execution character set, used for string and … Read more
Use the format! macro: fn hello_world(name: Option<&str>) -> String { match name { Some(n) => format!(“Hello, World {n}”), None => format!(“Who are you?”), } } In Rust, formatting strings uses the macro system because the format arguments are typechecked at compile time, which is implemented through a procedural macro. There are other issues with your … Read more
Does C have such a thing? If so, in what version of the standard? C11? C (C90, C99, C11) does not support this feature or any other similar feature. If not, does anyone know if it is being planed I have no idea, but usually there is a strong resistance of C committee to include … Read more
You are comparing memory addresses. Apparently your compiler places the string literals in memory in the order it encounters them, so the first is “lesser” than the second. Since in the first snippet it sees “A” first and “Z” second, “A” is lesser. Since it sees “Z” first in the second, “Z” is lesser. In … Read more