#scala
It makes only sense to define case classes if pattern matching is used to decompose data structures.
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Case Classes - Scala Documentationintln("" + x1 + " == " + x2 + " => " + (x1 == x2))
println("" + x1 + " == " + y1 + " => " + (x1 == y1))
will print
Var(x) == Var(x) => true
Var(x) == Var(y) => false
<span>It makes only sense to define case classes if pattern matching is used to decompose data structures. The following object defines a pretty printer function for our lambda calculus representation:
object TermTest extends scala.App {
def printTerm(term: Term) {
term match {
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