ContributorsLast modified on: Mar 24, 2016

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Returns if field is an existing field in the hash stored at key.

@return

@integer-reply, specifically:

• 1 if the hash contains field.
• 0 if the hash does not contain field, or key does not exist.

@examples

HSET myhash field1 "foo"
HEXISTS myhash field1
HEXISTS myhash field2