go/ast.MapType.Key (field)

9 uses

	go/ast (current package)
		ast.go#L467: 		Key   Expr
		filter.go#L176: 		b1 := filterType(t.Key, f, export)
		walk.go#L186: 		Walk(v, n.Key)

	go/doc
		exports.go#L207: 		r.filterType(nil, t.Key)

	go/parser
		parser.go#L1193: 	return &ast.MapType{Map: pos, Key: key, Value: value}

	go/printer
		nodes.go#L1017: 		p.expr(x.Key)

	go/types
		exprstring.go#L149: 		WriteExpr(buf, x.Key)
		typexpr.go#L342: 		typ.key = check.varType(e.Key)
		typexpr.go#L357: 				check.errorf(e.Key, _IncomparableMapKey, "incomparable map key type %s%s", typ.key, why)

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