Programming Microsoft Dynamics NAV - Fifth Edition

Expressions

Expressions in C/AL are made up of four elements: constants, variables, operators, and functions. We could include a fifth element, expressions, because an expression may include a subordinate expression within it. As we become more experienced in coding C/AL, we find that the capability of nesting expressions can be both a blessing and a curse, depending on the specific use and readability of the result.

We can create complex statements that will conditionally perform important control actions and operate in much the way that a person would think about the task. We can also create complex statements that are very difficult for a person to understand. These are tough to debug and sometimes almost impossible to deal with in a modification. ...