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package i_introduction._5_String_Templates | |
import util.TODO | |
import util.doc5 | |
fun example1(a: Any, b: Any) = | |
"This is some text in which variables ($a, $b) appear." | |
fun example2(a: Any, b: Any) = | |
"You can write it in a Java way as well. Like this: " + a + ", " + b + "!" | |
fun example3(c: Boolean, x: Int, y: Int) = "Any expression can be used: ${if (c) x else y}" | |
fun example4() = | |
""" | |
You can use raw strings to write multiline text. | |
There is no escaping here, so raw strings are useful for writing regex patterns, | |
you don't need to escape a backslash by a backslash. | |
String template entries (${42}) are allowed here. | |
""" | |
fun getPattern() = """\d{2}\.\d{2}\.\d{4}""" | |
fun example() = "13.06.1992".matches(getPattern().toRegex()) //true | |
val month = "(JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC)" | |
fun todoTask5(): Nothing = TODO( | |
""" | |
Task 5. | |
Copy the body of 'getPattern()' to the 'task5()' function below | |
and rewrite it in such a way that it matches format: '13 JUN 1992'. | |
Use the 'month' variable. | |
""", | |
documentation = doc5(), | |
references = { getPattern(); month }) | |
fun task5(): String = todoTask5() |