val fold :
init:'acc__->info:('acc__->tVariantslib.Variant.t->'acc__)->abbrev:('acc__->tVariantslib.Variant.t->'acc__)->str:('acc__->tVariantslib.Variant.t->'acc__)->'acc__
val iter :
info:(tVariantslib.Variant.t-> unit)->abbrev:(tVariantslib.Variant.t-> unit)->str:(tVariantslib.Variant.t-> unit)->
unit
val map :
t->info:(tVariantslib.Variant.t->'result__)->abbrev:(tVariantslib.Variant.t->'result__)->str:(tVariantslib.Variant.t->'result__)->'result__