Sequences, Type Inference, and Inheritance... I am slightly lost.

[shirleyquirk]

i get you. hmm.

`(int64)n` implies that no real conversion is happening.

well, then, it's inappropriate, if it's going to have value as a way of 
conveying meaning, it has to be consistent. What about for converting distinct 
types, though?
    
    
    let x = (string)readFile("file.txt")
    
    
    Run