Please do not use this tag to refer to the spread syntax "..." in JavaScript. Use [spread-syntax] instead. In Groovy, the spread operator (*) is to extract entries from a collection and provide them as individual entries. This can be useful for converting collections to individual parameters on method calls. In Kotlin, the spread operator (*) allows a variable number of arguments (vararg) to be passed via the named form.
Questions tagged [groovy-spread]
2 questions
10
votes
2 answers
How does one pass an Array to a vararg Int function using the Spread Operator?
I have a vararg function that takes multiple Ints. I have an Array that I'd like to use as input.
An unsuccessful attempt:
Here is my attempt to call the function using the Spread Operator:
fun printNumbers(vararg numbers: Int) {
…
byxor
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votes
1 answer
Java translation of groovy spread operator
Given:
class Car {
String make
String model
}
def cars = [
new Car(make: 'Peugeot', model: '508'),
new Car(make: 'Renault', model: 'Clio')]
def makes = cars*.make
How does cars*.make works behind the scene in java?…
extraRice
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