# 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()