<entry id="2222915" stat="A" corpus="jmdict" type="jmdict">
<ent_corp type="jmdict">jmdict</ent_corp>
<ent_seq>2857452</ent_seq>
<r_ele>
<reb>コロンイコール</reb>
</r_ele>
<r_ele>
<reb>コロン・イコール</reb>
</r_ele>
<sense>
<pos>&n;</pos>
<field>&comp;</field>
<gloss>colon-equal assignment operator (:=)</gloss>
</sense>
<sense>
<pos>&n;</pos>
<field>&math;</field>
<gloss>definition symbol</gloss>
</sense>
<info>
<audit time="2023-02-19 13:28:28" stat="A" unap="true">
<upd_name>mark dufour</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_detl>this one may be a bit on the edge of a+b and obscurity. feel free to reject of course.

interestingly google n-gram gives no matches!?</upd_detl>
<upd_refs>https://symbl.cc/jp/2254/
https://mat5ukawa.hateblo.jp/entry/2014/01/04/100053
not in GG5</upd_refs>
</audit>
<audit time="2023-02-20 04:46:02" stat="A" unap="true">
<upd_uid>jwb</upd_uid>
<upd_name>Jim Breen</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_detl>Used in some languages. Not common.</upd_detl>
<upd_refs>https://math.stackexchange.com/questions/25214/what-does-mean</upd_refs>
<upd_diff>@@ -6,0 +7,8 @@
+&lt;r_ele&gt;
+&lt;reb&gt;コロン・イコール&lt;/reb&gt;
+&lt;/r_ele&gt;
+&lt;sense&gt;
+&lt;pos&gt;&amp;n;&lt;/pos&gt;
+&lt;field&gt;&amp;comp;&lt;/field&gt;
+&lt;gloss&gt;colon-equal assignment operator (:=)&lt;/gloss&gt;
+&lt;/sense&gt;
@@ -10 +18 @@
-&lt;gloss&gt;definition sign, assignment operator (:=)&lt;/gloss&gt;
+&lt;gloss&gt;definition symbol&lt;/gloss&gt;</upd_diff>
</audit>
<audit time="2023-02-22 12:28:25" stat="A" unap="true">
<upd_uid>robin1354</upd_uid>
<upd_name>Robin Scott</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_detl>Is コロンイコール used in mathematical contexts? All the web results appear to be about programming.</upd_detl>
</audit>
<audit time="2023-02-26 22:55:14" stat="A">
<upd_uid>jwb</upd_uid>
<upd_name>Jim Breen</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_detl>Mark's first reference, which is about ≔ (U+2254) calls it コロンイコール and classifies it as 数学記号. The Unicode character is in the mathematical operator group.</upd_detl>
</audit>
</info>
</entry>