Object.Indexer
type ('M, 'T) t' = {
id : ('M, 'M) Identifier.t option;
key : ('M, 'T) Type.t;
value : ('M, 'T) Type.t;
static : bool;
variance : 'M Variance.t option;
comments : ('M, unit) Syntax.t option;
}
and ('M, 'T) t = 'M * ('M, 'T) t'