# metadata ### with-meta (with-meta [1 2] {:so-meta true}) ^{:so-meta true} [1 2] ; Reader attaches the metadata to the vector (def ^{:so-meta true} x 3)
(with-meta [1 2] {:so-meta true})
^{:so-meta true} [1 2] ; Reader attaches the metadata to the vector
(def ^{:so-meta true} x 3)