Difference between revisions of "Code Snippet: User Input-Single Line"
From Coder Merlin
(Created page with "= User Input = Note: Input read from the console is terminated with a ^D (Control-D) which indicates the end-of-file. == Reading a single line of text from the console ==...") |
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Line 11: | Line 11: | ||
let text = line! // Unwrap the string | let text = line! // Unwrap the string | ||
print("You typed: \(text)") // Print the string | print("You typed: \(text)") // Print the string | ||
} | |||
</syntaxhighlight> | |||
<syntaxhighlight lang="swift"> | |||
// Read a single line of input from the console (syntactic sugar) | |||
if let text = readLine() { | |||
print("You typed: \(text)") | |||
} | } | ||
</syntaxhighlight> | </syntaxhighlight> |
Revision as of 23:29, 3 December 2018
Within these castle walls be forged Mavens of Computer Science ...
— Merlin, The Coder
User Input[edit]
Note: Input read from the console is terminated with a ^D (Control-D) which indicates the end-of-file.
Reading a single line of text from the console[edit]
// Read a single line of input from the console
let line = readLine() // This will return an optional string
if line != nil { // Let's check if it's not nil, if so, it's really a string
let text = line! // Unwrap the string
print("You typed: \(text)") // Print the string
}
// Read a single line of input from the console (syntactic sugar)
if let text = readLine() {
print("You typed: \(text)")
}