<snapdata remixID="15042501"><project name="Maps" app="Snap! 12-dev, https://snap.berkeley.edu" version="2"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><scenes select="1"><scene name="Maps"><notes></notes><palette><category name="Maps (Dictionaries)" color="158,0,189,1"/></palette><hidden></hidden><headers></headers><code></code><blocks><block-definition s="object %&apos;fields&apos;" type="reporter" category="lists" helper="true"><header></header><code></code><translations>de:Objekt _&#xD;</translations><inputs><input type="%group%t%s" irreplaceable="true" expand="$nl&#xD;:" initial="2" min="2">$_field&#xD;$_thing</input></inputs><script><block s="doDeclareVariables"><list><l>data</l></list></block><block s="doSetVar"><l>data</l><block s="reportNewList"><list></list></block></block><block s="doWarp"><script><block s="doForEach"><l>assoc</l><block var="fields"/><script><block s="doReplaceInList"><block s="reportListItem"><l>1</l><block var="assoc"/></block><block var="data"/><block s="reportListItem"><l>2</l><block var="assoc"/></block></block><block s="doTellTo"><block s="reportEnvironment"><l><option>caller</option></l></block><block s="reifyScript"><script><block s="doSetVar"><l></l><l></l></block></script><list></list></block><list><block s="reportListItem"><l>1</l><block var="assoc"/></block><block s="reportListItem"><block s="reportListItem"><l>1</l><block var="assoc"/></block><block var="data"/></block></list></block></script></block></script></block><block s="doReport"><block var="data"/></block></script></block-definition><block-definition s="clone %&apos;parent&apos; %&apos;fields&apos;" type="reporter" category="lists" helper="true"><header></header><code></code><translations>de:klone _ _&#xD;</translations><inputs><input type="%l" initial="1"></input><input type="%group%upvar%s" irreplaceable="true" expand="$nl&#xD;:">$_field&#xD;$_thing</input></inputs><script><block s="doDeclareVariables"><list><l>data</l></list></block><block s="doSetVar"><l>data</l><custom-block s="object %group%t%s"><list><l>...</l><block var="parent"/></list></custom-block></block><block s="doIf"><block s="reportNot"><block s="reportListIsEmpty"><block var="fields"/></block></block><script><block s="doWarp"><script><block s="doForEach"><l>assoc</l><block var="fields"/><script><block s="doReplaceInList"><block s="reportListItem"><l>1</l><block var="assoc"/></block><block var="data"/><block s="reportListItem"><l>2</l><block var="assoc"/></block></block><block s="doTellTo"><block s="reportEnvironment"><l><option>caller</option></l></block><block s="reifyScript"><script><block s="doSetVar"><l></l><l></l></block></script><list></list></block><list><block s="reportListItem"><l>1</l><block var="assoc"/></block><block s="reportListItem"><block s="reportListItem"><l>1</l><block var="assoc"/></block><block var="data"/></block></list></block></script></block></script></block></script><list></list></block><block s="doReport"><block var="data"/></block></script></block-definition><block-definition s="field %&apos;field&apos; of %&apos;object&apos; %&apos;inputs&apos;" type="reporter" category="lists" helper="true" space="true"><header></header><code></code><translations>de:Feld _ von _ _&#xD;</translations><inputs><input type="%anyUE" initial="1"><options>§_dynamicMenu</options></input><input type="%l" initial="1"></input><input type="%mult%s" expand="$_with inputs"></input></inputs><script><block s="doDeclareVariables"><list><l>syntax</l><l>value</l></list></block><block s="doSetVar"><l>syntax</l><block s="reportTextSplit"><block var="field"/><l><option>blocks</option></l></block></block><block s="doSetVar"><l>value</l><block s="reportListItem"><block s="reportIfElse"><block s="reportVariadicEquals"><list><block s="reportListItem"><l>1</l><block var="syntax"/></block><block s="reifyReporter"><autolambda><block var=" "/></autolambda><list></list></block></list></block><block s="reportListItem"><l>2</l><block var="syntax"/></block><block s="evaluate"><block var="field"/><list></list></block></block><block var="object"/></block></block><block s="doIf"><block s="reportIsA"><block var="value"/><l><option>script</option></l></block><script><block s="doSetVar"><l>syntax</l><block s="reportListAttribute"><l><option>flatten</option></l><block s="reportTextSplit"><block var="value"/><l><option>blocks</option></l></block></block></block><block s="doIf"><block s="reportVariadicOr"><list><block s="reportNot"><block s="reportIsA"><block s="reportListItem"><l>1</l><block var="syntax"/></block><l><option>command</option></l></block></block><block s="reportListContainsItem"><block var="syntax"/><block s="reifyScript"><script><block s="doReport"><l></l></block></script><list></list></block></block></list></block><script><block s="doReport"><block s="evaluate"><block var="value"/><block var="inputs"/></block></block></script><list></list></block><block s="doRun"><block var="value"/><block var="inputs"/></block><block s="doReport"><l></l></block></script><list></list></block><block s="doReport"><block var="value"/></block></script><scripts><script x="10" y="467.5"><block s="receiveSlotEvent"><l>field</l><l><option>menu</option></l></block><block s="doReport"><block s="reportListAttribute"><l><option>sorted</option></l><block s="reportListAttribute"><l><option>uniques</option></l><block s="evaluate"><block s="reifyReporter"><autolambda><block s="reportConcatenatedLists"><list><block s="reportListItem"><l>1</l><block s="reportListAttribute"><l><option>columns</option></l><l/></block></block><block s="reportIfElse"><block s="reportIsA"><block s="reportListItem"><l><option>parent</option></l><l/></block><l><option>list</option></l></block><block s="evaluate"><block s="reportEnvironment"><l><option>script</option></l></block><list><block s="reportListItem"><l><option>parent</option></l><l/></block></list></block><block s="reportNewList"><list></list></block></block></list></block></autolambda><list></list></block><list><block var="object"/></list></block></block></block></block></script><script x="10" y="709.8333333333335"><block s="receiveSlotEvent"><l>field</l><l><option>edited</option></l></block><block s="doDeclareVariables"><list><l>value</l></list></block><block s="doSetVar"><l>value</l><block s="reportListItem"><block s="evaluate"><block var="field"/><list></list></block><block var="object"/></block></block><block s="doSetSlot"><l>inputs</l><block s="reportReshape"><block var="inputs"/><list><block s="reportIfElse"><block s="reportIsA"><block var="value"/><l><option>script</option></l></block><block s="evaluate"><block s="reifyReporter"><autolambda><block s="reportDifference"><block s="reportListAttribute"><l><option>length</option></l><l/></block><block s="reportListAttribute"><l><option>length</option></l><block s="reportTextSplit"><block s="reportListItem"><l>1</l><l/></block><l><option>blocks</option></l></block></block></block></autolambda><list></list></block><list><block s="evaluate"><block s="reifyReporter"><autolambda><block s="reportIfElse"><block s="reportIsA"><block s="reportListItem"><l>1</l><l/></block><l><option>list</option></l></block><block s="reportListItem"><l>1</l><l/></block><l></l></block></autolambda><list></list></block><list><block s="reportTextSplit"><block var="value"/><l><option>blocks</option></l></block></list></block></list></block><l>0</l></block></list></block></block></script></scripts></block-definition><block-definition s="add %&apos;fields&apos; to %&apos;data&apos;" type="command" category="lists" helper="true" space="true"><header></header><code></code><translations>de:füge _ zu _ hinzu&#xD;</translations><inputs><input type="%group%upvar%s" irreplaceable="true" expand="$nl&#xD;:" initial="2" min="2">$_field&#xD;$_thing</input><input type="%l" initial="1"></input></inputs><script><block s="doWarp"><script><block s="doForEach"><l>assoc</l><block var="fields"/><script><block s="doReplaceInList"><block s="reportListItem"><l>1</l><block var="assoc"/></block><block var="data"/><block s="reportListItem"><l>2</l><block var="assoc"/></block></block><block s="doTellTo"><block s="reportEnvironment"><l><option>caller</option></l></block><block s="reifyScript"><script><block s="doSetVar"><l></l><l></l></block></script><list></list></block><list><block s="reportListItem"><l>1</l><block var="assoc"/></block><block s="reportListItem"><block s="reportListItem"><l>1</l><block var="assoc"/></block><block var="data"/></block></list></block></script></block></script></block></script></block-definition><block-definition s="delete %&apos;field&apos; from %&apos;obj&apos;" type="command" category="lists" helper="true"><header></header><code></code><translations></translations><inputs><input type="%s" initial="1"><options>§_dynamicMenu</options></input><input type="%l" initial="1"></input></inputs><script><block s="doDeleteFromList"><block var="field"/><block var="obj"/></block></script><scripts><script x="283.3185943381633" y="60.73792605579331"><block s="receiveSlotEvent"><l>field</l><l><option>menu</option></l></block><block s="doReport"><block s="reportListAttribute"><l><option>sorted</option></l><block s="reportListAttribute"><l><option>uniques</option></l><block s="evaluate"><block s="reifyReporter"><autolambda><block s="reportConcatenatedLists"><list><block s="reportListItem"><l>1</l><block s="reportListAttribute"><l><option>columns</option></l><l/></block></block><block s="reportIfElse"><block s="reportIsA"><block s="reportListItem"><l><option>parent</option></l><l/></block><l><option>list</option></l></block><block s="evaluate"><block s="reportEnvironment"><l><option>script</option></l></block><list><block s="reportListItem"><l><option>parent</option></l><l/></block></list></block><block s="reportNewList"><list></list></block></block></list></block></autolambda><list></list></block><list><block var="object"/></list></block></block></block></block></script></scripts></block-definition><block-definition s="%&apos;x&apos; is a %&apos;y&apos; ?" type="predicate" category="lists" helper="true" space="true"><header></header><code></code><translations></translations><inputs><input type="%l" initial="1"></input><input type="%l" initial="1"></input></inputs><script><block s="doIf"><block s="reportVariadicIsIdentical"><list><block var="x"/><block var="y"/></list></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><list><block s="reportIsA"><block s="reportListItem"><l><option>parent</option></l><block var="x"/></block><l><option>list</option></l></block><script><block s="doReport"><custom-block s="%l is a %l ?"><block s="reportListItem"><l><option>parent</option></l><block var="x"/></block><block var="y"/></custom-block></block></script></list></block><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block-definition><block-definition s="assert that %&apos;x&apos; is a map" type="command" category="Maps (Dictionaries)" helper="true"><header></header><code></code><translations></translations><inputs><input type="%l" initial="1"></input></inputs><script><custom-block s="init maps"></custom-block><block s="doIf"><block s="reportNot"><block s="reportVariadicAnd"><list><block s="reportIsA"><block var="x"/><l><option>list</option></l></block><custom-block s="%l is a %l ?"><block var="x"/><block var="_maps*mapprototype_"/></custom-block></list></block></block><script><custom-block s="error %s"><block s="reportJoinWords"><list><l>expecting a map but getting a </l><block s="reportTypeOf"><block var="x"/></block></list></block></custom-block></script><list></list></block></script></block-definition><block-definition s="init maps" type="command" category="Maps (Dictionaries)" helper="true"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doIf"><block s="reportNot"><block s="reportIsA"><block var="_maps*mapprototype_"/><l><option>list</option></l></block></block><script><block s="doSetVar"><l>_maps*mapprototype_</l><custom-block s="object %group%t%s"><list><l>_morph</l><block s="reifyReporter"><autolambda><block s="reportApplyExtension"><l>adt_table(data)</l><list><block s="reportNewList"><list><block s="reportNewList"><list><l>header</l><block s="reportNewList"><list><l>key</l><l>value</l></list></block></list></block><block s="reportNewList"><list><l>cells</l><block var="contents"/></list></block></list></block></list></block></autolambda><list></list></block><l>contents</l><block s="reportNewList"><list></list></block><l>get</l><block s="reifyScript"><script><block s="doWarp"><script><block s="doForEach"><l>[x, y]</l><block var="contents"/><script><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportListItem"><l>1</l><block var="[x, y]"/></block><block var="x"/></list></block><script><block s="doReport"><block s="reportListItem"><l>2</l><block var="[x, y]"/></block></block></script><list></list></block></script></block></script></block><block s="doReport"><l></l></block></script><list><l>x</l></list></block><l>set</l><block s="reifyScript"><script><block s="doCallCC"><block s="reifyScript"><script><block s="doDeclareVariables"><list><l>index</l></list></block><block s="doWarp"><script><block s="doForEach"><l>[key, value]</l><block var="contents"/><script><block s="doChangeVar"><l>index</l><l>1</l></block><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportListItem"><l>1</l><block var="[key, value]"/></block><block var="key"/></list></block><script><block s="doReplaceInList"><block var="index"/><block var="contents"/><block s="reportNewList"><list><block s="reportListItem"><l>1</l><block var="[key, value]"/></block><block var="value"/></list></block></block><block s="doRun"><block var="escape"/><list></list></block></script><list></list></block></script></block></script></block><block s="doAddToList"><block s="reportNewList"><list><block var="key"/><block var="value"/></list></block><block var="contents"/></block></script><list><l>escape</l></list></block></block></script><list><l>key</l><l>value</l></list></block><l>get/add</l><block s="reifyScript"><script><block s="doWarp"><script><block s="doForEach"><l>[x, y]</l><block var="contents"/><script><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportListItem"><l>1</l><block var="[x, y]"/></block><block var="x"/></list></block><script><block s="doReport"><block s="reportListItem"><l>2</l><block var="[x, y]"/></block></block></script><list></list></block></script></block></script></block><block s="doAddToList"><block s="reportNewList"><list><block var="x"/><block var="y"/></list></block><block var="contents"/></block><block s="doReport"><block var="y"/></block></script><list><l>x</l><l>y</l></list></block><l>has</l><block s="reifyPredicate"><autolambda><block s="reportListContainsItem"><block s="reportListItem"><l>1</l><block s="reportListAttribute"><l><option>columns</option></l><block var="contents"/></block></block><block var="value"/></block></autolambda><list><l>value</l></list></block><l>empty?</l><block s="reifyPredicate"><autolambda><block s="reportVariadicEquals"><list><block s="reportEnvironment"><l><option>object</option></l></block><custom-block s="map %group%s%s"><list></list></custom-block></list></block></autolambda><list></list></block><l>get property</l><block s="reifyScript"><script><block s="doIf"><block s="reportVariadicEquals"><list><block var="type"/><l>size</l></list></block><script><block s="doReport"><block s="reportListAttribute"><l><option>length</option></l><block var="contents"/></block></block></script><list><block s="reportVariadicEquals"><list><block var="type"/><l>keys</l></list></block><script><block s="doReport"><block s="reportListItem"><l>1</l><block s="reportListAttribute"><l><option>columns</option></l><block var="contents"/></block></block></block></script><block s="reportVariadicEquals"><list><block var="type"/><l>values</l></list></block><script><block s="doReport"><block s="reportListItem"><l>2</l><block s="reportListAttribute"><l><option>columns</option></l><block var="contents"/></block></block></block></script><block s="reportVariadicEquals"><list><block var="type"/><l>entries</l></list></block><script><block s="doReport"><block s="reportConcatenatedLists"><list><block var="contents"/></list></block></block></script></list></block><block s="doReport"><l>0</l></block></script><list><l>type</l></list></block><l>delete</l><block s="reifyScript"><script><block s="doIf"><block s="reportNot"><block s="reportVariadicOr"><list><block s="reportNot"><block s="evaluate"><block var="has"/><list><block var="key"/></list></block></block><block s="evaluate"><block var="empty?"/><list></list></block></list></block></block><script><block s="doCallCC"><block s="reifyScript"><script><block s="doDeclareVariables"><list><l>k</l></list></block><block s="doWarp"><script><block s="doFor"><l>i</l><l>1</l><block s="reportListAttribute"><l><option>length</option></l><block var="contents"/></block><script><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportListItem"><l>1</l><block s="reportListItem"><block var="i"/><block var="contents"/></block></block><block var="key"/></list></block><script><block s="doDeleteFromList"><block var="i"/><block var="contents"/></block><block s="doRun"><block var="esc"/><list></list></block></script><list></list></block></script></block></script></block></script><list><l>esc</l></list></block></block></script><list></list></block></script><list><l>key</l></list></block><l>clear</l><block s="reifyScript"><script><block s="doDeleteFromList"><l><option>all</option></l><block var="contents"/></block></script><list></list></block></list></custom-block></block></script><list></list></block></script></block-definition><block-definition s="map %&apos;pairs&apos;" type="reporter" category="Maps (Dictionaries)" space="true"><comment w="90" collapsed="false">Creates a new map, where each first input is a key, and each second input is the value for that key.</comment><header></header><code></code><translations></translations><inputs><input type="%group%s%s" expand="$nl&#xD;:" initial="2">key&#xD;value</input></inputs><script><custom-block s="init maps"></custom-block><block s="doDeclareVariables"><list><l>result</l></list></block><block s="doSetVar"><l>result</l><block s="reportNewList"><list></list></block></block><block s="doWarp"><script><block s="doForEach"><l>[key, value]</l><block var="pairs"/><script><block s="doIf"><block s="reportNot"><block s="reportVariadicAnd"><list><block s="reportIsA"><block var="[key, value]"/><l><option>list</option></l></block><block s="reportVariadicEquals"><list><block s="reportListAttribute"><l><option>length</option></l><block var="[key, value]"/></block><l>2</l></list></block></list></block></block><script><block s="doApplyExtension"><l>err_error(msg)</l><list><l>expecting a list of key-value pairs</l></list></block></script><list><block s="reportNot"><block s="reportListContainsItem"><block s="reportListItem"><l>1</l><block s="reportListAttribute"><l><option>columns</option></l><block var="result"/></block></block><block s="reportListItem"><l>1</l><block var="[key, value]"/></block></block></block><script><block s="doAddToList"><block var="[key, value]"/><block var="result"/></block></script></list></block></script></block></script></block><block s="doReport"><custom-block s="clone %l %group%upvar%s"><block var="_maps*mapprototype_"/><list><l>contents</l><block var="result"/></list></custom-block></block></script></block-definition><block-definition s="%&apos;att&apos; of map %&apos;map&apos;" type="reporter" category="Maps (Dictionaries)"><comment x="0" y="0" w="263.25839220337264" collapsed="false">If the attribute is &quot;size&quot;, it will report the amount of key-value pairs in the map (like the length of a list but for maps),&#xD;If the attribute is &quot;keys&quot;, it will report a list of all keys in the map,&#xD;if it is &quot;values&quot;, it will report a list of all values from the keys, though not often useful,&#xD;and if the attribute is &quot;entries&quot;, it will report a list of lists where the first item of each is a key, and the second is a corresponding value.</comment><header></header><code></code><translations></translations><inputs><input type="%s" readonly="true" irreplaceable="true" initial="1">size<options>size&#xD;keys&#xD;values&#xD;entries</options></input><input type="%l" initial="1"></input></inputs><script><custom-block s="assert that %l is a map"><block var="map"/></custom-block><block s="doReport"><custom-block s="field %anyUE of %l %mult%s"><l>get property</l><block var="map"/><list><block var="att"/></list></custom-block></block></script></block-definition><block-definition s="get %&apos;x&apos; from map %&apos;map&apos;" type="reporter" category="Maps (Dictionaries)" space="true"><comment x="0" y="0" w="90" collapsed="false">Reports the value retrieved from the specified key. If the key is not found, it will report empty.</comment><header></header><code></code><translations></translations><inputs><input type="%s" initial="1"></input><input type="%l" initial="1"></input></inputs><script><custom-block s="assert that %l is a map"><block var="map"/></custom-block><block s="doReport"><custom-block s="field %anyUE of %l %mult%s"><l>get</l><block var="map"/><list><block var="x"/></list></custom-block></block></script></block-definition><block-definition s="set %&apos;x&apos; of map %&apos;map&apos; to %&apos;y&apos;" type="command" category="Maps (Dictionaries)"><comment x="0" y="0" w="90" collapsed="false">Sets a key from a map. If the map has this key, the key gets replaced with the new value. Otherwise, the key is added to the map with the value.</comment><header></header><code></code><translations></translations><inputs><input type="%s" initial="1"></input><input type="%l" initial="1"></input><input type="%s" initial="1"></input></inputs><script><custom-block s="assert that %l is a map"><block var="map"/></custom-block><custom-block s="ignore %s"><custom-block s="field %anyUE of %l %mult%s"><l>set</l><block var="map"/><list><block var="x"/><block var="y"/></list></custom-block></custom-block></script></block-definition><block-definition s="delete %&apos;key&apos; of %&apos;map&apos;" type="command" category="Maps (Dictionaries)"><header></header><code></code><translations></translations><inputs><input type="%s" initial="1"></input><input type="%l" initial="1"></input></inputs><script><custom-block s="assert that %l is a map"><block var="map"/></custom-block><custom-block s="ignore %s"><custom-block s="field %anyUE of %l %mult%s"><l>delete</l><block var="map"/><list><block var="key"/></list></custom-block></custom-block></script></block-definition><block-definition s="clear %&apos;map&apos;" type="command" category="Maps (Dictionaries)"><header></header><code></code><translations></translations><inputs><input type="%l" initial="1"></input></inputs><script><custom-block s="ignore %s"><custom-block s="field %anyUE of %l %mult%s"><l>clear</l><block var="map"/><list></list></custom-block></custom-block></script></block-definition><block-definition s="get %&apos;x&apos; from, $nl or add with value %&apos;y&apos; $nl to map %&apos;map&apos;" type="reporter" category="Maps (Dictionaries)"><comment x="0" y="0" w="90" collapsed="false">Like GET FROM MAP, but if the key isn&apos;t found, the new value is added to the map, and is returned.</comment><header></header><code></code><translations></translations><inputs><input type="%s" initial="1"></input><input type="%s" initial="1"></input><input type="%l" initial="1"></input></inputs><script><custom-block s="assert that %l is a map"><block var="map"/></custom-block><block s="doReport"><custom-block s="field %anyUE of %l %mult%s"><l>get/add</l><block var="map"/><list><block var="x"/><block var="y"/></list></custom-block></block></script></block-definition><block-definition s="try %&apos;action&apos; catch %&apos;error&apos; %&apos;handler&apos;" type="command" category="control" helper="true"><comment x="0" y="0" w="276" collapsed="false">Catch errors.&#xD;&#xD;Runs the first script.  If it succeeds, nothing else happens.&#xD;But if it has an error (something that would otherwise result&#xD;in a red halo around the block), then the second script is run,&#xD;with the text of the error message that would have been shown in the variable ERROR.</comment><header></header><code></code><translations>pt:tenta executar _ e, em caso de erro _ , executa _&#xD;ca:prova de forma segura _ i si _ _&#xD;pl:bezpiecznie spróbuj _ a jeśli _ _&#xD;</translations><inputs><input type="%cs" irreplaceable="true"></input><input type="%upvar"></input><input type="%cs" irreplaceable="true"></input></inputs><script><block s="doApplyExtension"><l>err_try(cmd, catch, err)</l><list><block var="action"/><block var="handler"/><block var="error"/></list></block><block s="doApplyExtension"><l>err_reset</l><list></list></block></script></block-definition><block-definition s="error %&apos;msg&apos;" type="command" category="control" helper="true"><comment x="0" y="0" w="268.6666666666667" collapsed="false">Throw an error.&#xD;&#xD;Makes a red halo appear around the script that runs it,&#xD;with the input text shown in a speech balloon next to&#xD;the script, just like any Snap! error.&#xD;&#xD;This is useful to put in the second script of SAFELY TRY&#xD;after some other instructions to undo the partial work of&#xD;the first script.</comment><header></header><code></code><translations>pt:lança o erro _&#xD;pl:błąd _&#xD;</translations><inputs><input type="%s"></input></inputs><script><block s="doApplyExtension"><l>err_error(msg)</l><list><block var="msg"/></list></block></script></block-definition><block-definition s="ignore %&apos;x&apos;" type="command" category="control" helper="true"><comment x="0" y="0" w="206.66666666666669" collapsed="false">This block does nothing.&#xD;Use it when you are calling a reporter&#xD;for its side effect and don&apos;t care about&#xD;its return value.</comment><header></header><code></code><translations>de:ignoriere _&#xD;ca:ignora _&#xD;es:ignorar _&#xD;fr:ignore _&#xD;pt:ignora _&#xD;pl:ignoruj _&#xD;</translations><inputs><input type="%s"></input></inputs></block-definition><block-definition s="is %&apos;x&apos; in %&apos;obj&apos; ?" type="predicate" category="lists" helper="true"><header></header><code></code><translations></translations><inputs><input type="%s" initial="1"></input><input type="%l" initial="1"></input></inputs><script><block s="doIf"><block s="reportListContainsItem"><block s="reportListItem"><l>1</l><block s="reportListAttribute"><l><option>columns</option></l><block var="obj"/></block></block><block var="x"/></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><list><block s="reportIsA"><block s="reportListItem"><l><option>parent</option></l><block var="obj"/></block><l><option>list</option></l></block><script><block s="doReport"><custom-block s="is %s in %l ?"><block var="x"/><block s="reportListItem"><l><option>parent</option></l><block var="obj"/></block></custom-block></block></script></list></block><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block-definition><block-definition s="map %&apos;map&apos; has %&apos;x&apos; ?" type="predicate" category="Maps (Dictionaries)" space="true"><comment x="0" y="0" w="90" collapsed="false">Reports is a map has this key in its&apos; key-value pairs.</comment><header></header><code></code><translations></translations><inputs><input type="%l" initial="1"></input><input type="%s" initial="1"></input></inputs><script><custom-block s="assert that %l is a map"><block var="map"/></custom-block><block s="doReport"><custom-block s="field %anyUE of %l %mult%s"><l>has</l><block var="map"/><list><block var="x"/></list></custom-block></block></script></block-definition><block-definition s="is map %&apos;map&apos; empty?" type="predicate" category="Maps (Dictionaries)"><comment x="0" y="0" w="121.97029856133645" collapsed="false">Reports if a map is empty; It&apos;s length is 0, and it has no key-value pairs.</comment><header></header><code></code><translations></translations><inputs><input type="%l" initial="1"></input></inputs><script><custom-block s="assert that %l is a map"><block var="map"/></custom-block><block s="doReport"><custom-block s="field %anyUE of %l %mult%s"><l>empty?</l><block var="map"/><list></list></custom-block></block></script></block-definition></blocks><primitives></primitives><stage name="Stage" width="480" height="360" costume="0" color="255,255,255,1" tempo="60" threadsafe="false" penlog="false" volume="100" pan="0" lines="round" ternary="false" hyperops="true" codify="false" inheritance="true" sublistIDs="false" 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struct="atomic" id="1192"></list></costumes><sounds><list struct="atomic" id="1193"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites select="1"><sprite name="Sprite" idx="1" x="0" y="0" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="0" color="80,80,80,1" pen="tip" id="1198"><costumes><list struct="atomic" id="1199"></list></costumes><sounds><list struct="atomic" id="1200"></list></sounds><blocks></blocks><variables></variables><scripts><script x="20" y="20"><custom-block s="map %group%s%s"><list><l>key</l><l>value</l></list></custom-block></script><script x="20" y="53"><custom-block s="%s of map %l"><l>size</l><l/></custom-block></script><script x="20" y="87"><custom-block s="get %s from map %l"><l></l><l/></custom-block></script><script x="20" y="120"><custom-block s="set %s of map %l to %s"><l></l><l/><l></l></custom-block></script><script x="20" y="159"><custom-block s="get %s from, %br or add with value %s %br 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