But && is only defined for scalars (the operands must be converible to logical *scalar* values), so You Have A Problem.
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If an operator is situated between its operands, that operator is known as an infix operator.
A binary operator appears with its operands in this format: operand1 operator operand2. Other operators with special formats accept more than two operands.
There must be spaces between operators and expressions for example 2+2 is not correct, where as it should be written as 2 + 2.
Both operands must have an arithmetic type, or one operand must be a pointer to an object type and the other operand must have an integral type.
The shunting yard algorithm is a simple technique for parsing infix expressions containing binary operators of varying precedence. It was first described by Edsgar Dijkstra in 1961. In general, the algorithm assigns to each operator its correct operands, taking into account the order of precedence.
3 Operators. An operator manipulates individual data items and returns a result. The data items are called operands or arguments.
This operator is often enclosed within a consider or ignore operand. strict. Indicate that the behaviors of the operands must be processed in strict sequence.
The relational operators allow checking relation between operands, i.e. to state whether they are equal, not equal or are ordered in a way defined by operator (Table 9). Both operands must be of the same type, and the result received is always of the Boolean type.