irmin-type: allow pp
and of_string
to be overridden separately
#1103
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This splits the existing
~cli
argument to theType.{v,like,map}
constructors into two separate arguments~pp
and~of_string
. The original naming seems to be legacy from the original use of these operations for theirmin-unix
CLI.When using typereps for pretty-printing only (e.g. for debugging / testing), it's helpful to be able to quickly override
~pp
(even if this means thatpp
andof_string
are no longer inverses).