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proc mimeType*(filePath: string): string =
  case filePath.splitFile.ext:
  of ".html": "text/html"
  of ".js": "text/javascript"
  of ".css": "text/css"
  of ".ttf": "font/ttf"
  of ".png": "image/png"
  of ".jpg", ".jpeg": "image/jpeg"
  of ".svg": "image/svg+xml"
  else: "text/plain"

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proc genWeekEtag*(filepath: string): string =
  # https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/ETag
  let
    info = getFileInfo(filepath)
    ns = info.lastWriteTime.toUnix().uint64 * 1e9.uint64 + info.lastWriteTime.nanosecond.uint64
    time = toHex(ns, sizeof(uint64)).toLowerAscii()
    size = toHex(info.size, sizeof(uint64)).toLowerAscii()
  result = "W/" & '"' & size & '-' & time & '"'

proc serveFile*(req: Request, path: string) {.async.} =

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#define GLFW_INCLUDE_NONE
#import <GLFW/glfw3.h>
#define GLFW_EXPOSE_NATIVE_COCOA
#import <GLFW/glfw3native.h>
#import <Metal/Metal.h>
#import <QuartzCore/QuartzCore.h>
#import <simd/simd.h>
#include <assert.h>
#include <stdlib.h>

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## Based on the work of https://github.com/edin/raytracer
## MIT License
## Copyright (c) 2021 Edin Omeragic

import benchy, chroma, math, times, glm
from pixie import Image, newImage, writeFile, setRgbaUnsafe

type Vec3 = glm.Vec3[float32]

{.push inline, noinit, checks: off.}

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  proc fetchStr(req: Request): (string, seq[string]) =
    ## Fetches a URL and returns header and chunks.

    var socket = newSocket()
    if req.url.scheme == "https":
      var ctx =
        try:

          let caCertPath = getAppDir() / "cacert.pem"

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import math

# See https://www.geeksforgeeks.org/space-and-time-efficient-binomial-coefficient/
# for details of this function
func binomialCoeff(n, k: int): int =
  var res = 1
  var k = k
  if (k > n - k):
    k = n - k
  for i in 0 ..< k:

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import fidget, vmath

proc drawMain() =
... exported code here ....

windowFrame = vec2(620, 140)
startFidget(drawMain)

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name: Run tests
on: [push, pull_request]
jobs:
  build:
    runs-on: windows-2019

    steps:
    - name: "install choosenim"
      id: cache-choosenim
      run: curl -OL https://github.com/dom96/choosenim/releases/download/v0.6.0/choosenim-0.6.0_windows_amd64_debug.exe

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# nim c -r --threads:on --gc:orc

import cpuinfo, os, random, locks, deques

type
  WorkReq = ref object
    id: int

  WorkRes = ref object
    id: int

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import math

func genCache(): array[100, int] =
  for i in 0 .. 99:
    let
      a = i mod 10
      b = (i div 10) mod 10
    result[i] = int(a ^ a) + int(b ^ b)

const