Return the integer value if the instance is a int8.

else aborts

Property definitions

	# Return the integer value if the instance is a int8.
	# else aborts
	fun to_i8: Int8 do abort

src/interpreter/naive_interpreter.nit:745,2--747,25

	redef fun to_i8 do return val.as(Int8)

src/interpreter/naive_interpreter.nit:834,2--39