# Method indices()

Method indices

  ``array` indices(`string`|`array`|`mapping`|`multiset`|`object` `x`)`

Description

  Return an array of all valid indices for the value `x`.

  For strings and arrays this is simply an array of ascending numbers.

  For mappings and multisets, the array might contain any value.

  For objects which define lfun::_indices() that return value is used.

  For other objects an array with all non-protected symbols is returned.

See also

  values(), types(), lfun::_indices()