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Forall and Exists in Scala

def forall(s: Set, p: Int => Boolean): Boolean = { def iter(a: Int): Boolean = { if (contains(s, a) && !p(a)) false // If the predicate condition fails, return false and exit loop (all values don't satisfy the condition).

November 4, 2014

A quick look at Scala and the syntax

... in Scala can look confusing very fast.. def exists(s: Set, p: Int => Boolean): Boolean = !forall(s, (x: Int) => !p(x)) p here is a function parameter; okay, I get that. p: Int => Boolean means that this function takes an Int parameter and returns a Boolean at the end.

October 22, 2014