Teledyne-lecroy LeCroy Analyzers File Based Decoding Manual Manual de usuario descargar pdf (Pagina 20)

Chapter 4: Operators File-based Decoding User Manual

14 LeCroy Corporation

Assignment Operators (continued)

&= Bitwise AND

assignment

Integer-integer Integer a = 0b11111110

a &= 0b01010101 = 0b01010100

^= Bitwise exclusive

OR assignment

Integer-integer Integer e = 0b11111110

e ^= 0b01010101 = 0b10101011

|= Bitwise inclusive

OR assignment

Integer-integer Integer i = 0b11111110

i |= 0b01010101 = 0b11111111

List Operators

sizeof() Number of

elements

Any Integer sizeof([1, 2, 3]) = 3

sizeof('0011223344') = 5

sizeof("string") = 6

sizeof(12) = 1

sizeof([1, [2, 3]]) = 2

*Note: the last example demonstrates that the

sizeof() operator returns the shallow count of a

complex list.

head() Head List Any head([1, 2, 3]) = 1

*Note: the Head of a list is the first item in the list.

tail() Tail List List tail([1, 2, 3]) = [2, 3]

*Note: the Tail of a list includes everything except

the Head.

first() Returns the first

element of the list

and resets the list

iterator to the

beginning of the list

List Any list = [1, 2, 3];

for( item = first(list);

more(list); item = next(list) )

{

ProcessItem( item );

}

next() Returns the next

element of the list

relative to the

previous position of

the list iterator

List Any list = [1, 2, 3];

for( item = first(list);

more(list); item = next(list) )

{

ProcessItem( item );

}

Operator

Symbol Description Operand Types

Result

Types Examples

Table 4.2 Operators (Continued)

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 81 82

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