news: add entry for #395

Signed-off-by: László Várady <laszlo.varady@anno.io>
axoflow · Nov 28, 2024 · a8375e7 · a8375e7
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+`=??` assignment operator
+
+Syntactic sugar operator, which could slightly improve performance as well.
+
+It can be used to assign a non-null value to the left-hand side.
+Evaluation errors from the right-hand side will be suppressed.
+
+For example,
+
+`resource.attributes['service.name'] =?? $PROGRAM;` can be used instead of:
+
+```
+if (isset($PROGRAM)) {
+  resource.attributes['service.name'] = $PROGRAM;
+};
+```