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mgmt/examples/lang/panic0.mcl
James Shubin 2cbce963b7 engine: resources, lang: funcs, parser: Add panic magic
It's valuable to check your runtime values and to shut down the entire
engine in case something doesn't match. This patch adds some magic
plumbing to support a "panic" mechanism.

A new "panic" statement gets transparently converted into a panic
function and panic resource. The former errors if the input is not
empty. The latter must be present to consume the value, but doesn't
actually do anything.
2023-11-28 13:49:31 -05:00

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import "panic/" as nested # local, relative module to prove it can nest
panic("") # should NOT panic
panic("") # should NOT panic
panic("fail1") # should panic
panic("fail2") # should panic
include nested.foo()
test "test" {
anotherstr => "hello!\n",
}
# this is what we're simulating:
#$_panic1 = panic("whatever1") # this is a function
#_panic $_panic1 {} # this is a resource
#$_panic2 = panic("whatever2")
#_panic $_panic2 {}