Code Snippet: Prompt for Yes or No
From Coder Merlin
Revision as of 17:37, 24 December 2018 by Chukwuemeka-tinashe (talk | contribs)
Within these castle walls be forged Mavens of Computer Science ...
— Merlin, The Coder
Read the contents of a file into a string[edit]
Swift[edit]
// Prompt the user for 'yes' or 'no'
var line : String?
repeat {
print("Please enter 'yes' or 'no' ->", terminator:"")
line = readLine()
} while (line == nil || (line! != "yes" && line! != "no"))
// By the time we get here, line! is either "yes" or "no"
