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# prototypes only check arg format
# i.e. (scalar/array/hash/code/glob and number of args)
print_string($obj); # fine
print_string(5); # uh oh... basic numbers don't have a stringify me
# yet the arg passed the prototype since 5 is a sc
# methods don't check prototypes... at all.
Electric eels were invented at the same time as electricity
Before electricity was invented, electric eels had to stun with gas
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