How to remove the N_LIB_PRIVATE from exported c code.

See also => dynlib keeps exported functions alive in emscripten

NVIDIA uses Nim!

This is really good news. Today is not April Fools' Day, so I believe it is true.

Am iterating over this sequence correctly?

It's not clear from this snippet what are `getPolygon()` and `LevelObjectEntity` really are and what they do. But idiomatic code would look something like this: type Vertex* = tuple[x, y: int32] Polygon* = object of RootObj vertices*: seq[Vertex] fill*: L

Wasm3 (nim library) how to run c functions

When calling procedures you need to marshal the data from the host to the environment and vice I have an example of host to client is the wasm module t

Wasm3 (nim library) how to run c functions

I have a c function: N_LIB_EXPORT N_CDECL(NCSTRING, add_nfunc)(NCSTRING* nfuncsX60flatArgs__p0, NI nfuncsX60flatArgs__p0Len_0); Run That is compiled to wasm successfully. I also am pretty sure I have the `loadWasmEnv` and `findFunction` part down. The thing I can’t wr

How to remove the N_LIB_PRIVATE from exported c code.

Neat macros! Let me see whether I can make `__attribute__((used))`/`EMSCRIPTEN_KEEPALIVE` into `nimbase.h`

a template to declare an enum

Thank you both. For my needs, I must be able to specify the enum values; so I created the sequence of `nnkEnumFieldDef` to give to `newEnum()` which involved copying leaves of the `Asgn` node. For future me: `dumpTree` is your friend. For other learners, here is what I came up with. For curren

How to remove the N_LIB_PRIVATE from exported c code.

I am generally of the view packages should only be on a package registry if they're of sufficient quality. Which means have tests, and documentation. Since Nimble is decentralized there is not much reason to add what I consider incomplete packages.

Attempting a DSL on top of htmlgen for fun/learning

So far this is what I've got: import macros, htmlgen macro traverseTree(body: untyped): untyped = proc processNode(node: NimNode): NimNode = case node.kind of nnkCall: let callee = node[0] var children: seq[Nim

help with channels and threads

> The logic in your loop will try and submit... Ah good catch with the `while workID < NSUBMISSIONS` submission loop, Thank you! I tried too hard to make a tidy minimal example and introduced this bug thinking I could get rid of my break condition for cleanliness. Edited the code and output abo

How to remove the N_LIB_PRIVATE from exported c code.

Is there any reason why your wasm3 package is not on nimble? I was going to make my own wasm runtime wrapper, but now that I know one exists I don’t need to. As for the emcc keep alive thing, I will see if I need to use it. (I might)

How to remove the N_LIB_PRIVATE from exported c code.

If you're sharing code with other languages the correct annotation is `cdecl, exportc, dynlib` though in many cases `nimcall` is compatible with `cdecl`

How to remove the N_LIB_PRIVATE from exported c code.

**Successful: (with dynlib pragma)** N_LIB_EXPORT N_CDECL(NCSTRING, add_nfunc)(NCSTRING* nfuncsX60flatArgs__p0, NI nfuncsX60flatArgs__p0Len_0); Run WAST: (export "add_nfunc" (func $52)) Run 👍

How to properly make a static type-checking macro?

> Note: There is also an issue with the return arg saying that arg is unused? You do not have a return type it should be `: untyped`. Is there a reason for you to use a macro here, a template works just fine. template typeCheck(arg: typed, typ: typedesc): untyped = when arg is

help with channels and threads

There are a couple of logic flaws in your job pool example which are causing your issues. Nothing particularly Nim specific, but here's a breakdown. while workID < NSUBMISSIONS: # This will run ceil(NSUBMISSIONS / NTHREADS) * NTHREADS items for thread in pool.mitems:

How to remove the N_LIB_PRIVATE from exported c code.

Should I use just exportc and dynlib or should I use cdecl as the docs say too?

How to properly make a static type-checking macro?

> You do not have a return type it should be : untyped. I had `: typed` there but the compiler bugged me to remove it as it was the default?

How to remove the N_LIB_PRIVATE from exported c code.

You should use `exportc, dynlib` to ensure a procedure is not dead code removed. Depending on your wasm compiler you may also want to use `codegenDecl` to add the correct annotation to your procedure.

help with channels and threads

I've spent a few days on this and boiled this down to a minimal example. Can an expert with Nim parallelism please tell me where I'm going wrong here? Output changes from run to run (is stochastic) but I did not intend that and do not see how this can be. Here are several runs in a row of a very

How to remove the N_LIB_PRIVATE from exported c code.

I am using the `exportc` pragma to attempt to export to c then WASM, but the function never appears in the WASM and is generated with `N_LIB_PRIVATE` in the c code. Is there anyway to remove this or am I getting the cause of my issue completely wrong? (I found in the c code only the functions wi

NVIDIA uses Nim!

This is a roller-coaster of emotions.

How to properly make a static type-checking macro?

With my current code I keep on getting typeDesc and type instead of both of them being types. How do I fix this specific issue or is there already a better implementation? macro typecheck*(arg: typed, typ: typed) = ## Type check a proc name with args to types let

Am iterating over this sequence correctly?

I'm trying to modify a sequence in-place by modifying the values without copying the data. This worrks, but I wonder wether I'm doing it in an idiomatic 'Nim' way, rather than trying to use `ptr` too much. I feel the answer should be here, where it is suggested to use `ref`. Not sure how to ge

NVIDIA uses Nim!

You got me. Bastard

How to use dynamic dispatch with inheritance without converting to the appropriate subtype by hand?

error message says: (line numbers are not the same as in your code) /usercode/in.nim(21, 8) Warning: use {.base.} for base methods; baseless methods are deprecated [UseBase] /usercode/in.nim(24, 8) Warning: use {.base.} for base methods; baseless methods are deprecated [UseBase]

How to use dynamic dispatch with inheritance without converting to the appropriate subtype by hand?

You also need to provide a base "default" implementation for `Foo` like so: method showContents(b: Foo) {.base.} = raise newException(CatchableError, "Not implemented") Run

How to use dynamic dispatch with inheritance without converting to the appropriate subtype by hand?

Can't believe I didn't think to do that :facepalm: The docs even had one like that but I assumed it wasn't needed for some reason. Thank you both.

How to use dynamic dispatch with inheritance without converting to the appropriate subtype by hand?

Hello again, I have the following situation, with a myFoo variable of type Foo that is instantiated as one of the foo subtypes: type Foo = ref object of RootObj x: string = "I'm Foo" Bar1 = ref object of Foo y: string = "I'm Bar1

Problem to understand an exception

Hi to all. I add new tests done and now the problem is clearer but I still don't have a solution: In my code, as suggested by @janAkali let client = newHttpClient(sslContext = newContext(protVersion = protSSLv23)) Run and compiled with this command: nim c -d:ssl -d

NVIDIA uses Nim!

What are you talking about, this all new grasshopper chipset has all the bells and whistles you've come to adore; Thousand pages of documentation, three variations depending on if you're left brained, right brained, or frustrated by the lack of evidence for either. On-board AI powered hallucinat

NVIDIA uses Nim!

Delet dis

NVIDIA uses Nim!

For anyone wondering this is April 1st and NIM here stands for Nvidia Inference Microservice

a template to declare an enum

To be more specific to what araq stated: Make your life very easy and use the `newEnum` proc (which can only be used inside macros) which does exactly what you want to do here - just not in a way that can be called from normal code and needs you to wrap it in a macro.

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I'm starting to live stream my game project written in Nim

While we're at it - I'm streaming rarely my coding in Nim on Twitch, like code wars.com or exercisem.org katas

NVIDIA uses Nim!

Nim is spreading like wild fire inside NVIDIA! But see for yourself: The device drivers for their new upcoming "grasshopper" chip have all been written in Nim!

a template to declare an enum

No, use a macro.

Problem to understand an exception

Yes Mabon, I already compile with -d:ssl