Request for examples in README

[kaushalmodi]

Hello,

I started out trying to translate some lc (which is now deprecated) examples to comp, but I am completely lost where to begin.

There are my lc examples: https://scripter.co/notes/nim/#lc-deprecated

Is it possible to write the equivalent using comp? If so, can you please add few examples to the README?

Thanks.

[kaushalmodi]

OK, I mostly understood how to use comp as a replacement of lc: https://scripter.co/notes/nim/#comprehension

But I still cannot figure out how to translate this to comp:

import std/[sugar]

const
  n = 15
let
  numList = 1 .. n
  rightAngleTriangleSides =
    lc[(x, y, z) | (x <- numList,      # lc[EXPR | (ELEM1 <- LIST1,
                    y <- x .. n,       #            ELEM2 <- LIST2,
                    z <- y .. n,       #            ELEM3 <- LIST3,
                    x*x + y*y == z*z), #            COND),
       tuple[a, b, c: int]]            #    SEQ_TYPE]
echo rightAngleTriangleSides

https://play.nim-lang.org/#ix=1OLo

---

Failed attempt

import std/[strformat, sequtils]
import comprehension

const
  n = 15
let
  numList = 1 .. n
  numSeq = numList.toSeq
  rightAngleTriangleSides: seq[tuple[a, b, c: int]] =
    comp[for idx, sideA in numSeq:
           for sideB in sideA .. n:
             for sideC in sideB .. n:
               if sideA*sideA + sideB*sideB == sideC*sideC:
                 (sideA, sideB, sideC)]
echo &"numList of type {$type(numList)} = {numList}"
echo &"numSeq of type {$type(numSeq)} = {numSeq}"
echo &"rightAngleTriangleSides of type {$type(rightAngleTriangleSides)} (seq[SEQ_TYPE]) = {rightAngleTriangleSides}"