What is Standard ML? Explain it.
SML refers to Standard Meta Language . It is a general purpose, standard and effective programming language which supports compile-time type checking and type inference. It is designed by Robin Milner and others at the University (mainly jointly by Bell Laboratories and Princeton University) of Edinburgh in 1973. It is an Inferred, static, and strong language.
Standard ML is a high order of imperative language, it is not a good functional language.
Standard Meta Language (SML) is a safe type programming language that binds many creative concepts in programming language pattern or design. It is a constant (fixed) and controlled language, which supports an expandable type framework. It allows polymorphic or assorted type inference, which reduces the overload of special types of variables and extremely motivates the feature of code reuse ability. It offers a beneficial productive programmed ability for functions and data structures. It is also a particular functional programming language with capability of compile type checking and type inference.
Standard Meta Language does not support object oriented programming directly. Means it is not a pure object oriented programming. It uses some additional features that display how to use defined object oriented concepts in SML.
Syntax of Standard ML :
Syntax in Standard ML are very appropriate.
-5+6*7 = (+5(*6 7))
ML supports type declarative and it uses type inference. Such as if A and B are integer then A+B will be also integer.
Uses of Standard ML :
Standard ML is utilized like a tool in analysis on theorem justifying, compiler technology and program exploration. As an instance, the HOL theorem is written in Standard ML, proved by Cambridge University .
The Cambridge University still now utilizes Standard ML for its basic computer science course.
Standard ML is until now used in reality to teach basic programming, or fundamental courses that analyze and examine programming paradigms. This is a confirmation to express simplicity and power of expression of Standard ML .
Fundamental Elements of Standard ML :-
Some basic elements of Standard ML are as following :
If the specified condition or boolean expression evaluates to true, then the if block code (if statement) will be executed, otherwise, the else block code (else statement) will be executed.
Features of Standard ML :
Main features of Standard ML are listed as follows :
Advantages of Standard ML :
Main advantages of Standard ML are listed as follows :
Disadvantages of Standard ML :
Some disadvantages of Standard ML are listed as follows :
It seems a big disadvantage for those developers who feel dynamic type programming is more efficient and better than static type programming language and want dynamic type programming.
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