Kernel.make_ref
You're seeing just the function
make_ref
, go back to Kernel module for more information.
Specs
make_ref() :: reference()
Returns an almost unique reference.
The returned reference will re-occur after approximately 2^82 calls; therefore it is unique enough for practical purposes.
Inlined by the compiler.
Examples
make_ref()
#=> #Reference<0.0.0.135>