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
winusb
sequel
playback
derived-column
ssms-2005
appender
filetable
vgam
xml-documentation
azure-service-fabric
llvm-codegen
dimension-reduction
cosmos
logfile-analysis
has-and-belongs-to-many
nreco
variation
video-tracking
jeditable
botocore
pycountry-convert
glm
osmnx
appsody
acumatica-kb
onfocusout
extend
apache-httpcomponents
xmldom
webpagetest