Why compiler throws an error for ref list of tuples of function and string? let attrList:((('a -> bool) * 'c) list) ref = ref [] Error:The type of this expression, ((’_a -> bool) * '_c) list Batteries.ref, contains type variables that cannot be generalized

Ref list of functions

sc0102 April 14, 2018, 8:29pm 3

How should I make it precise?

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