Typecasting in SML

sml smlnj
Dave picture Dave · Jan 24, 2012 · Viewed 13.5k times · Source

I'm new to SML, and am using the SMLNJ dialect.

For some purpose I have been trying to typecast 3 to 3.0 (int to real).

Could not find a way out. How can I do this? How can I convert between types?

Answer

sepp2k picture sepp2k · Jan 24, 2012

You can use the function real (or Real.fromInt) to convert an int to a real.

For further information you can see a list of functions available in the Top-level environment here and an overview of the Basis library here.

Related questions

How to print variable in sml?

I'm new to SML and in debugging I usually print out the variable to see if it matches up to what I expected it should be. I would like to print out a variable within a function what i have …

Read More
elseif statement in Standard ML?

Im doing a homework problem to make a function sumOdd to computer the sum of the first n odd integers, but i cant seem to find any sort of elseif type statement to do so. What im trying to do …

Read More
Line Comments in Standard ML

I'm learning ML, with the SML/NJ dialect. What I'm trying to figure out is if there is a line comment operator. I found the block comment operator, (* ... *), but I really miss line comments. Suggestions? Or am I just stuck …

Read More