length: Returns the number of items in a hash

Description

Returns the number of items in a hash

Details

Return the number of items in the hash by calling length on the internal environment.

Value

integer

Number of items in the hash.

Author(s)

Christpher Brown

See Also

See Also hash, length

Examples

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  h <- hash( letters, 1:26 )
  length(h) # 26

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