procedural construct造句

Many functional languages, however, are in fact impurely functional and offer imperative / procedural constructs that allow the programmer to write programs in procedural style, or in a combination of both styles.
Current languages were inappropriate for education in other respects as well : they often employed extensive type declarations that got in the way of students'expressive impetus; they had serious deficiencies in control structures; their programs lacked procedural constructs; most had no facilities for dynamic definition and execution; few had well-developed and articulate debugging, diagnostic and editing facilities, so essential for educational applications.
These vendors decided to support OO-language integration at the DBMS back-end because they realized that, despite the attempts of the ISO SQL-99 committee to add procedural constructs to SQL, SQL will never have the rich set of libraries and data structures that today's application programmers take for granted, and it is reasonable to leverage these as directly as possible rather than attempting to extend the core SQL language.
It's difficult to find procedural construct in a sentence. 用procedural construct造句挺难的