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[CHANGE] Output examples added to matcher part and string interpolation part.

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a.vandijk 2014-08-15 15:47:12 +02:00
parent 07b6229ee6
commit d2cf006282
1 changed files with 9 additions and 10 deletions
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19
scala.html.markdown
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@ -332,11 +332,10 @@ val matcher = (value: String) => {
})
}
matcher("mrbean@pyahoo.com")
matcher("nope..")
matcher("52917")
matcher("52752-16432-22178-47917")
matcher("mrbean@pyahoo.com") // => "It was an email: mrbean"
matcher("nope..") // => "No match on 'nope..'"
matcher("52917") // => "No match on '52917'"
matcher("52752-16432-22178-47917") // => "Serial key: 52752, 16432, 22178, 47917"
// Strings
@ -359,13 +358,13 @@ println(s"We have $n apples")
// Expressions inside interpolated strings are also possible
val a = Array(11, 9, 6)
println(s"My second daughter is ${a(0) - a(2)} years old")
println(s"We have double the amount of ${n / 2.0} in apples.")
println(s"Power of 2: ${math.pow(2, 2)}") // Power of 2: 4.0
println(s"My second daughter is ${a(0) - a(2)} years old") // => "My second daughter is 5 years old"
println(s"We have double the amount of ${n / 2.0} in apples.") // => "We have double the amount of 22.5 in apples."
println(s"Power of 2: ${math.pow(2, 2)}") // => "Power of 2: 4"
// Formatting with interpolated strings (note the prefixed f)
println(f"Power of 5: ${math.pow(5, 2)}%1.0f") // Power of 5: 25
println(f"Square root of 122: ${math.sqrt(122)}%1.4f") // Square root of 122
println(f"Power of 5: ${math.pow(5, 2)}%1.0f") // "Power of 5: 25"
println(f"Square root of 122: ${math.sqrt(122)}%1.4f") // "Square root of 122"
// Ignoring special characters.
println(raw"New line feed: \n. Carriage return: \r.")