Arrays

Arrays in THP use exclusively square brackets.

More importantly, Arrays and Maps are different. Arrays only store values of a single datatype.

Usage

val fruits = ["apple", "banana", "cherry"]
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val apple = fruits[0]

print(apple) // apple

// To mutate an array, you need to declare it as var
var numbers = [0, 1, 2, 3]

numbers[3] = 5

print(numbers[3]) // 5
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Type signature

Array[String]
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Array[Int]
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The Array signature requires the word Array. There is no Int[] or [Int] signature, since that would cause problems with the language’s grammar.