Document FormulaPin.

This commit is contained in:
Markus Reiter 2020-08-17 06:08:56 +02:00
parent 528122638c
commit e5d72ecc6c

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@ -2,6 +2,9 @@
require "keg"
# Helper functions for pinning a formula.
#
# @api private
class FormulaPin
def initialize(f)
@f = f