Make.2-Sval map :
( ( ty, c ) Region_pp_intf.node -> ( ty, c ) Region_pp_intf.node ) ->
c ->
cval compare :
( ( ty, c ) Region_pp_intf.node ->
( ty, c ) Region_pp_intf.node ->
Region_pp_intf.comparison ) ->
c ->
c ->
Region_pp_intf.comparisonval to_json :
( ( ty, c ) Region_pp_intf.node -> Yojson.Basic.json ) ->
ty ->
c ->
Yojson.Basic.jsonval decode :
( ty, c ) Region_pp_intf.node Decoders_yojson.Basic.Decode.decoder ->
c Decoders_yojson.Basic.Decode.decoder