▁ ▁P ure fo y - Ch app ell ▁House ▁and ▁Out build ings , ▁W ake ▁Forest , ▁North ▁Carolina , ▁listed ▁on ▁the ▁NR HP ▁in ▁North ▁Carolina ▁Ch app ell - Sw eden burg ▁House , ▁Ash land , ▁Oregon , ▁listed ▁on ▁the ▁NR HP ▁in ▁Oregon ▁Ch app ell ▁House ▁( C ed ar ▁Creek , ▁South ▁Carolina ), ▁listed ▁on ▁the ▁NR HP ▁in ▁South ▁Carolina <0x0A> </s> ▁In ▁computer ▁programming , ▁data ▁types ▁can ▁be ▁divided ▁into ▁two ▁categories : ▁value ▁types ▁and ▁reference ▁types . ▁A ▁value ▁of ▁value ▁type ▁is ▁the ▁actual ▁value . ▁A ▁value ▁of ▁reference ▁type ▁is ▁a ▁reference ▁to ▁another ▁value . ▁ ▁Classification ▁per ▁language ▁ ▁Box ing ▁and ▁un box ing ▁▁ ▁Program ming ▁languages ▁that ▁distinguish ▁between ▁value ▁types ▁and ▁reference ▁types ▁typically ▁offer ▁a ▁mechanism , ▁called ▁box ing , ▁to ▁wrap ▁some ▁or ▁all ▁of ▁their ▁value ▁types ▁in ▁reference ▁types . ▁This ▁perm its ▁the ▁use ▁of ▁value ▁types ▁in ▁context s ▁expecting ▁reference ▁types . ▁The ▁con verse ▁process ▁( to ▁un wrap ▁the ▁value ▁type ) ▁is ▁known ▁as ▁un box ing . ▁ ▁See ▁also ▁▁ ▁Prim itive ▁data ▁type ▁ ▁Compos ite ▁data ▁type ▁ ▁References ▁▁ ▁Category : Data ▁types <0x0A> </s> ▁Henry ▁Re ed ▁( 2 8 ▁December ▁ 1 8 0 6 ▁– ▁ 1 0 ▁October ▁ 1 8 8 0 ) ▁was ▁an ▁Australian ▁land owner , ▁ship owner , ▁merchant , ▁phil anth rop