Enhancing Nim vtable implementation vs subtype checking

Here is the PR for the documentation of vtables for methods =>

Escape characters for fmt

FWIW I stopped using `strformat` altogether (though `&` **is** much nicer than `fmt` IME) because no tool finds the bug in: exec "gcc {a}" vs exec &"gcc {a}" Run I think I have a better design but never got to write the RFC...

Escape characters for fmt

Would the better design be implemented in the compiler or still be implemented as a macro?

Escape characters for fmt

Ahhh I see now. I attempted the following: template `%`*(pattern: string{lit}): string {.callsite.} = fmt(pattern, '{', '}', dummyForLineInfo) Run and you're right, it behaves exactly like `&`. I think I will just use `&` as Calonger suggested lol. Thanks so muc

Escape characters for fmt

> My guess is that & allows for escape characters even without whitespace is > because it is concatenating string literals, something inherent to the & > operator? No, I believe the reason is simply that `&` is not an identifier, therefore the parser doesn't see `&"foo"` as a raw string literal

Escape characters for fmt

The construct identifier"string literal" (without whitespace between the identifier and the opening quotation mark) is a generalized raw string literal. It is a shortcut for the construct identifier(r"string literal") Run I see so `echo"hello\n"` also produces "hellon" in the

Escape characters for fmt

There's nothing special about `fmt`. This is just how Nim treats any occurrence of `xyz"string"` where there is no space between them. See [Raw string literals](https://nim-lang.org/docs/manual.html#lexical-analysis-raw-string-literals) and the section _" Generalised raw string literals"_ below

Advent of Nim 2023

fixed the fault was in the management of the crosses, it only controlled a maximum of 9 ... of '2' .. '9': discard ... Run

Escape characters for fmt

# consider deprecating this, it's redundant with `fmt` and `fmt` is strictly # more flexible, readable (no confusion with the binary `&`), self-documenting, # not to mention #18275, bug #18278. Run >From reading this I get a sense that it would be a win to add es

Escape characters for fmt

Use & instead of fmt , & escape characters fmt do not ( raw string ) .

Nim v2: what would you change?

I frequently interop with C without issue. Not sure why you believe this isn't something you can do in Nim

Escape characters for fmt

template fmt*(pattern: static string): untyped {.callsite.} = ## Alias for `fmt(pattern, '{', '}')`. fmt(pattern, '{', '}', dummyForLineInfo) .replace("\\\", "\u200E") .replace("\n", "n") .replace("\t", "t") .replace("\v", "v") .replace("\r", "r") .replace("\b", "b") .replace("\f", "f")

Sitemap Parser

Thank you, that is really helpful feedback. I have seen the "dot" syntax, I wasn't sure of how/when to use it. So I'll look into that. Good to know about the `error` too.

Sitemap Parser

Looking at the code there are a few things I'd suggest although relatively opinionated. Modules imported from stdlib should be prefixed with `std/[a, b, c,]`. proc hasURLSet(sitemapContent: string): bool = let doc = q(sitemapContent) let urlset = doc.select("urlset")

Nim v2: what would you change?

> That is hindered by The Thing Which Cannot Be Mentioned. How so? As has been pointed out a million times, you can and should rename identifiers imported from C.

Nim v2: what would you change?

I keep wanting to return to Nim. It's such a great language in so many ways. But the most compelling reason to use Nim -- the easiest argument to make with a team of developers -- is C/C++ interop. That is hindered by The Thing Which Cannot Be Mentioned. So I'm back to wishing Zig had macros. B

Advent of Nim 2023

Hello everyone: I have a problem and I think there is some bug in the compiler or can you help me debug my code, because I am not able to understand why ONLY those entries do not work, the rest without problems but thoses 4 entries goes into a loop, doesn't even show the first entry on the map.

Sitemap Parser

Hi. I wrote this sitemap parser as a way to learn more about Nim and it's ecosystem. I would appreciate a code review and some general feedback, if anyone has time. Also it may be useful someone out there. Thank you, Brian

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