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discard """
  matrix: "--mm:refc; --mm:orc"
  targets: "c js"
"""

import std/[sequtils,critbits]
import std/assertions

template main =
  var r: CritBitTree[void]
  r.incl "abc"
  r.incl "xyz"
  r.incl "def"
  r.incl "definition"
  r.incl "prefix"
  r.incl "foo"

  doAssert r.contains"def"

  r.excl "def"
  doAssert r.missingOrExcl("foo") == false
  doAssert "foo" notin toSeq(r.items)

  doAssert r.missingOrExcl("foo") == true

  doAssert toSeq(r.items) == @["abc", "definition", "prefix", "xyz"]

  doAssert toSeq(r.itemsWithPrefix("de")) == @["definition"]
  var c = CritBitTree[int]()

  c.inc("a")
  doAssert c["a"] == 1

  c.inc("a", 4)
  doAssert c["a"] == 5

  c.inc("a", -5)
  doAssert c["a"] == 0

  c.inc("b", 2)
  doAssert c["b"] == 2

  c.inc("c", 3)
  doAssert c["c"] == 3

  c.inc("a", 1)
  doAssert c["a"] == 1

  var cf = CritBitTree[float]()

  cf.incl("a", 1.0)
  doAssert cf["a"] == 1.0

  cf.incl("b", 2.0)
  doAssert cf["b"] == 2.0

  cf.incl("c", 3.0)
  doAssert cf["c"] == 3.0

  doAssert cf.len == 3
  cf.excl("c")
  doAssert cf.len == 2

  var cb: CritBitTree[string]
  cb.incl("help", "help")
  for k in cb.keysWithPrefix("helpp"):
    doAssert false, "there is no prefix helpp"

  block: # bug #14339
    var strings: CritBitTree[int]
    discard strings.containsOrIncl("foo", 3)
    doAssert strings["foo"] == 3

  block tcritbitsToString:
    block:
      var t: CritBitTree[int]
      t["a"] = 1
      doAssert $t == """{"a": 1}"""
    block:
      var t: CritBitTree[string]
      t["a"] = "1"
      doAssert $t == """{"a": "1"}"""
    block:
      var t: CritBitTree[char]
      t["a"] = '1'
      doAssert $t == """{"a": '1'}"""

main()
static: main()
an><span class="muComment"># 2. Build a second disk image data.img containing some text.</span> <span id="L7" class="LineNr"> 7 </span><span class="muComment"># dd if=/dev/zero of=data.img count=20160</span> <span id="L8" class="LineNr"> 8 </span><span class="muComment"># echo 'abc def ghi' |dd of=data.img conv=notrunc</span> <span id="L9" class="LineNr"> 9 </span><span class="muComment"># 3. Familiarize yourself with how the data disk looks within xxd:</span> <span id="L10" class="LineNr">10 </span><span class="muComment"># xxd data.img |head</span> <span id="L11" class="LineNr">11 </span><span class="muComment"># 4. Run:</span> <span id="L12" class="LineNr">12 </span><span class="muComment"># qemu-system-i386 -hda code.img -hdb data.img</span> <span id="L13" class="LineNr">13 </span><span class="muComment"># 5. Exit the emulator.</span> <span id="L14" class="LineNr">14 </span><span class="muComment"># 6. Notice that the data disk now contains the word count of the original text.</span> <span id="L15" class="LineNr">15 </span><span class="muComment"># xxd data.img |head</span> <span id="L16" class="LineNr">16 </span> <span id="L17" class="LineNr">17 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex9.mu.html#L17'>main</a></span> <a href='../500fake-screen.mu.html#L16'>screen</a>: (addr <a href='../500fake-screen.mu.html#L16'>screen</a>), keyboard: (addr keyboard), data-disk: (addr disk) <span class="Delimiter">{</span> <span id="L18" class="LineNr">18 </span> <span class="PreProc">var</span> text-storage: (stream byte <span class="Constant">0x200</span>) <span id="L19" class="LineNr">19 </span> <span class="PreProc">var</span> text/<span class="muRegEsi">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> address text-storage <span id="L20" class="LineNr">20 </span> <a href='../510disk.mu.html#L1'>load-sectors</a> data-disk, <span class="Constant">0</span>/lba, <span class="Constant">1</span>/num-sectors, text <span id="L21" class="LineNr">21 </span> <span id="L22" class="LineNr">22 </span> <span class="PreProc">var</span> <a href='ex9.mu.html#L30'>word-count</a>/eax: int <span class="Special">&lt;-</span> <a href='ex9.mu.html#L30'>word-count</a> text <span id="L23" class="LineNr">23 </span> <span id="L24" class="LineNr">24 </span> <span class="PreProc">var</span> result-storage: (stream byte <span class="Constant">0x10</span>) <span id="L25" class="LineNr">25 </span> <span class="PreProc">var</span> result/<span class="muRegEdi">edi</span>: (addr stream byte) <span class="Special">&lt;-</span> address result-storage <span id="L26" class="LineNr">26 </span> <a href='../126write-int-decimal.subx.html#L8'>write-int32-decimal</a> result, <a href='ex9.mu.html#L30'>word-count</a> <span id="L27" class="LineNr">27 </span> <a href='../510disk.mu.html#L23'>store-sectors</a> data-disk, <span class="Constant">0</span>/lba, <span class="Constant">1</span>/num-sectors, result <span id="L28" class="LineNr">28 </span><span class="Delimiter">}</span> <span id="L29" class="LineNr">29 </span> <span id="L30" class="LineNr">30 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='ex9.mu.html#L30'>word-count</a></span> in: (addr stream byte)<span class="PreProc"> -&gt; </span>_/eax: int <span class="Delimiter">{</span> <span id="L31" class="LineNr">31 </span> <span class="PreProc">var</span> result/<span class="muRegEdi">edi</span>: int <span class="Special">&lt;-</span> copy <span class="Constant">0</span> <span id="L32" class="LineNr">32 </span> <span class="Delimiter">{</span> <span id="L33" class="LineNr">33 </span> <span class="PreProc">var</span> done?/eax: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> in <span id="L34" class="LineNr">34 </span> compare done?, <span class="Constant">0</span>/false <span id="L35" class="LineNr">35 </span> <span class="PreProc">break-if-!=</span> <span id="L36" class="LineNr">36 </span> <span class="PreProc">var</span> g/eax: grapheme <span class="Special">&lt;-</span> <a href='../403unicode.mu.html#L236'>read-grapheme</a> in <span id="L37" class="LineNr">37 </span> <span class="Delimiter">{</span> <span id="L38" class="LineNr">38 </span> compare g, <span class="Constant">0x20</span>/space <span id="L39" class="LineNr">39 </span> <span class="PreProc">break-if-!=</span> <span id="L40" class="LineNr">40 </span> result <span class="Special">&lt;-</span> increment <span id="L41" class="LineNr">41 </span> <span class="Delimiter">}</span> <span id="L42" class="LineNr">42 </span> <span class="Delimiter">{</span> <span id="L43" class="LineNr">43 </span> compare g, <span class="Constant">0xa</span>/newline <span id="L44" class="LineNr">44 </span> <span class="PreProc">break-if-!=</span> <span id="L45" class="LineNr">45 </span> result <span class="Special">&lt;-</span> increment <span id="L46" class="LineNr">46 </span> <span class="Delimiter">}</span> <span id="L47" class="LineNr">47 </span> <span class="PreProc">loop</span> <span id="L48" class="LineNr">48 </span> <span class="Delimiter">}</span> <span id="L49" class="LineNr">49 </span> <span class="PreProc">return</span> result <span id="L50" class="LineNr">50 </span><span class="Delimiter">}</span> </pre> </body> </html> <!-- vim: set foldmethod=manual : -->