Why do I get OutOfMemoryError for the following code?
Stream.from(1).filter(n => (1 to 20).forall(x => n % x == 0)).head
Why do I get OutOfMemoryError for the following code? Stream.from(1).filter(n => (1 to 20).forall(x
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Why do I get OutOfMemoryError for the following code?
Stream.from(1).filter(n => (1 to 20).forall(x => n % x == 0)).head
Streams have some limitations on the JVM. The problem you are seeing here is that the Stream you are creating with
Stream.from(1)is put on the stack and thus the JVM refuses to garbage collect it. The predicate you are passing to thefiltercall lets the Stream grow to232792560elements.If you use an
Iteratoryou can work around this limitation: