The trap mechanism in Mumps has similarities to the exception mechanism in many other language. Most examples I have seen of trap usage is for catching unintent
argumentexception
deferred-result
redux-promise-middleware
typo3-extensions
rprofile
moose
flutter-design
in-memory-database
structuremap
jsctypes
sharepoint-workflow
pre-build-event
hd44780
haproxy-ingress
skproduct
ordercloud
oauth-2.1
model-associations
tabledit
chart-director
h2o-wave
quasiquotes
android-guava
eclipse-hono
ifft
unboxing
getcontent
angular-test
slot
react-beautiful-dnd