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nagat01/builder pattern.scala

Created September 3, 2024 06:42
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builder pattern.scala
import scala.collection.mutable.ArrayBuffer
type A = ArrayBuffer[Int]
def builder (init: A ?=> Unit) =
given e: A = new A
init
e
def add(x: Int)(using e: A) =
e += x
@main def main =
println(builder {
add(1)
add(2)
})
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