Sujin Shrestha :
For example in these two following codes:
File("./file1.txt").forEachLine { println(it) }
and
File("somefile.txt").bufferedWriter().use { out ->
history.forEach {
out.write("${it.key}, ${it.value}\n")
}
}
In this code what does it
mean?
holi-java :
it variable is an implicit parameter in lambda.
One other helpful convention is that if a function literal has only one parameter, its declaration may be omitted (along with the ->), and its name will be it:
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