such.metadata documentation

such.metadata

Convenience functions for working with metadata. Intended to be used with (:require [such.metadata :as meta]).

(assoc o & kvs)

assoc the key-value pairs onto the metadata of o, creating a new object equal to o but with the new metadata.

(meta/assoc o :author "Brian" :lang :en-ca)

(contains? o key)

Answer whether the metadata contains the given key. A key with a nil value counts as being contained.

 (meta/contains? o :author) => true

(get o k default)(get o k)

Equivalent to (get (meta o) k) or (get (meta o) k default).

(merge o & maps)

Merge the maps onto the metadata of o, creating a new object equal to o but with the merged metadata.

(meta/merge o {:author "Brian" :lang :en-ca})