In Clojure, metadata is used to annotate the data in a
collection or for the data stored in a symbol. This is normally used to
annotate data about types to the underlying compiler, but can also be
used for developers.
Metadata is not considered as part of the value of the object. At the same time, metadata is immutable.
The following operations are possible in Clojure with regards to metadata.
Metadata is not considered as part of the value of the object. At the same time, metadata is immutable.
The following operations are possible in Clojure with regards to metadata.
| S.No. | Operations & Description |
|---|---|
| 1 | meta-with This function is used to define a metadata map for any object. |
| 2 | meta This function is used to see if any metadata is associated with an object. |
| 3 | vary-meta Returns an object of the same type and value as the original object, but with a combined metadata. |
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