.DT copy $MUDNAME$ driver help copy .SH Name .SI 5 copy() - recursively duplicate a value .EI .SH Synopsis .SI 5 mixed copy( mixed arg ); .EI .SH Description .SP 5 5 copy() returns a value with exactly the same value as `arg', but with all reference types (mappings, arrays, etc.) duplicated. For example: .EP .SI 5 mapping a, b = ({ 1 }); a = b; a[0] = 2; printf("%O %O\n", a, b); results in ({ 2 }) and ({ 2 }), while: mapping a, b = ({ 1 }); a = copy(b); a[0] = 2; printf("%O %O\n", a, b); results in ({ 2 }) and ({ 1 }). .EI