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class Array
# call-seq:
# pack(template, buffer: nil) -> string
#
# Formats each element in +self+ into a binary string; returns that string.
# See {Packed Data}[rdoc-ref:packed_data.rdoc].
def pack(fmt, buffer: nil)
Primitive.pack_pack(fmt, buffer)
end
end
class String
# call-seq:
# unpack(template, offset: 0, &block) -> array
#
# Extracts data from +self+.
#
# If +block+ is not given, forming objects that become the elements
# of a new array, and returns that array. Otherwise, yields each
# object.
#
# See {Packed Data}[rdoc-ref:packed_data.rdoc].
def unpack(fmt, offset: 0)
Primitive.attr! :use_block
Primitive.pack_unpack(fmt, offset)
end
# call-seq:
# unpack1(template, offset: 0) -> object
#
# Like String#unpack, but unpacks and returns only the first extracted object.
# See {Packed Data}[rdoc-ref:packed_data.rdoc].
def unpack1(fmt, offset: 0)
Primitive.pack_unpack1(fmt, offset)
end
end
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