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–
record_builder
»
Record_builder
»
Make
» 1-F
Parameter
Make.1-F
type
'a t
val
map :
'a
t
->
f:
(
'a
->
'b
)
->
'b
t
val
both :
'a
t
->
'b
t
->
(
'a
*
'b
)
t