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Presentation
Question

Answer

Tags

#odersky-programming-in-scala-2ed #scala

Question

How can I simplify the syntax of a call to filesMatching inside filesEnding?


def filesEnding(query: String) =
  filesMatching(query, (fileName: String, query: String) => fileName.endsWith(query))

def filesMatching(query: String,
    matcher: (String, String) => Boolean) = {
  for (file <- filesHere; if matcher(file.getName, query))
    yield file
}

Answer

def filesEnding(query: String) =
  filesMatching(query, _.endsWith(_))

Tags

#odersky-programming-in-scala-2ed #scala

Question

How can I simplify the syntax of a call to filesMatching inside filesEnding?


def filesEnding(query: String) =
  filesMatching(query, (fileName: String, query: String) => fileName.endsWith(query))

def filesMatching(query: String,
    matcher: (String, String) => Boolean) = {
  for (file <- filesHere; if matcher(file.getName, query))
    yield file
}

Answer

Tags

#odersky-programming-in-scala-2ed #scala

Question

How can I simplify the syntax of a call to filesMatching inside filesEnding?


def filesEnding(query: String) =
  filesMatching(query, (fileName: String, query: String) => fileName.endsWith(query))

def filesMatching(query: String,
    matcher: (String, String) => Boolean) = {
  for (file <- filesHere; if matcher(file.getName, query))
    yield file
}

Answer

def filesEnding(query: String) =
  filesMatching(query, _.endsWith(_))

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Summary

status	not learned	measured difficulty	37% [default]	last interval [days]
repetition number in this series	0	memorised on		scheduled repetition
scheduled repetition interval		last repetition or drill

Details

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