Is there else if in SML?

Your function didn’t compile because elseif is not a keyword in SML. Changing the last elseif to else and other elseif to else if should fix the error. Show activity on this post. You should also note that this solution does (and your own) does not actually sum the first N odd numbers.

What is nested IF ELSE statement?

A nested if statement is an if statement placed inside another if statement. Nested if statements are often used when you must test a combination of conditions before deciding on the proper action.

What is the difference between a nested IF and an IF ELSE IF statement?

The nested if is an if statement used within another if statement. When we use if else if then an if statement is used within the else part of another if in this way,’nested if is similar to an if else if statement.

What is the syntax of nested IF statement?

Nested If in C Syntax If the Test Condition1 is FALSE, STATEMENT3 will execute. When Test Condition1 is TRUE, then C Programming will check for the Test Condition2. If it is TRUE, STATEMENT1 will execute else STATEMENT2. Please refer to If Else and IF Condition articles.

What is FN in SML?

If you type the square_root declaration above into the SML top-level, it responds with: val square_root : fn real -> real. indicating that you’ve declared a variable (square_root), that its value is a function (fn), and that its type is a function from reals to reals.

Is SML compiled or interpreted?

Standard ML (SML) is a general-purpose modular functional programming language with compile-time type checking and type inference.

Is else if better than nested IF?

Nested if()…else statements take more execution time (they are slower) in comparison to an if()…else ladder because the nested if()…else statements check all the inner conditional statements once the outer conditional if() statement is satisfied, whereas the if()..else ladder will stop condition testing once any …

What is the difference between a nested IF statement and a multiway if statement?

In a multi-way ‘if’ statement, you only get to eat out of one of them. In a nested ‘if’ statement, the bowls are nested together. You might eat the chips out of the outer one, and maybe dip them into the salsa in the middle.

What are constructors in SML?

It is important in SML to distinguish constructors from ordinary functions. Constructors are the primitive functions that create new values of a data. For example, the constructors for lists are :: and nil . The append function @ is not a constructor (it can be defined using :: and nil ).