Is this `block` written in this language?

Property definitions

	# Is this `block` written in this language?
	fun identify_language(block: AExternCodeBlock ): Bool is abstract

src/ffi/light_ffi_base.nit:117,2--118,66

	redef fun identify_language(n) do return n.is_c

src/ffi/light_c.nit:31,2--48

	redef fun identify_language(n) do return n.is_cpp

src/ffi/cpp.nit:37,2--50

	redef fun identify_language(n) do return n.is_java

src/ffi/java.nit:33,2--51

	redef fun identify_language(n) do return n.is_objc

src/ffi/objc.nit:62,2--51