Nim implementation of Ruby tap() method

Thanks ... looks like I reversed the working and non working version above...

Nim implementation of Ruby tap() method

That's very easy to fix, use a `block` to avoid clash of identifiers: template tapIt*[T](obj: T, code: untyped): T = block: let it {.inject.} = obj code it var num = 123 echo num.tapIt(echo 2 * it) echo num.tapIt(echo 3 * it)

Nim implementation of Ruby tap() method

## Problem: * A second invocation causes error because of **{.inject.}** INim 0.6.1 Nim Compiler Version 2.0.4 [MacOSX: amd64] at /Users/dennismisener/.nimble/bin/nim nim> template tapIt*[T](obj: T, code: untyped): T = block: let it {.inject.} = obj

Nim implementation of Ruby tap() method

This last one is the winner!! It feels more nim'ish and better still gives me an excuse to use the word _anaphoric_ 🙂 Yes I did overcomplicate it -- I used the **var** since I thought I might want to mutate the input... probably a bad practice anyways. Thanks It always so simple **once you

Nim implementation of Ruby tap() method

Would you mind sharing the source code for **debugs**? I'm curious to see how it was done. Thanks

Nim implementation of Ruby tap() method

Here is also an anaphoric version (to borrow Lisp terminology) if you prefer: template tapIt*[T](obj: T, code: untyped): T = let it {.inject.} = obj code obj var num = 123 echo num.tapIt(echo 2 * it) Run

Can’t wrap my head around this TypeError

I get this type error from my code (the code with the error is above the error): Info: Using the environment variable: NIMBLE_DIR='/home/runner/libmtg/nimble-env' Hint: used config file '/home/runner/.choosenim/toolchains/nim-2.0.4/config/nim.cfg' [Conf] Hint: used config fi

Nim implementation of Ruby tap() method

I use something kinda similar as a macro debugger:

Nim implementation of Ruby tap() method

You overcomplicated it. This works: proc tap*[T](obj: T, code: proc(obj: T)): T = code obj obj let code = proc(i: int) = echo 2*i var num = 123 echo num.tap(code) Run To make it feel more like the Ruby version, you can use an anon

Nim implementation of Ruby tap() method

## I would appreciate a Nim implementation of Ruby's **tap()** method. This is one of those _little helper_ functions I miss from my old Ruby days, where **tap()** : Yields self to the block, and then returns self. The primary purpose of this [method](https://apidock.com/ruby/Object/method) is

What's the best way to match a standard file into a single data structure for editing it?

I've been using to (de)serialize binary blobs/protocols it handles endianess and generates data structures blobA > (deserialize) ObjA > proc toObjB > (serialize) ObjB

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Nim 2.0.4 and 1.6.20 released

Congratulations and thanks for the new release!

Resources for Learning Nim

@dwhall256, PR on the repo link would be preferred.

Nim 2.0.4 and 1.6.20 released

I still have to dive in to nimsuggest at some time...

Resources for Learning Nim

How would you like to receive suggestions? PR on the repo link you provided? Message on this thread?

Resources for Learning Nim

I'm trying to aggregate a list of resources for learning to program, using Nim! It's open and contributions are welcome and expected! PS. Rabutu, and all names in this organization, are from the Akkadian language. Akkadian is one of the likely Sumerian language

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