klyn.collections.ImmutableList.indexOf
method
public native indexOf(item as T, start as Int = 0) as Int
Description

Returns the first index of the given value.

Parameters
ParameterDescription
itemThe value to search for.
startZero-based index where the search starts.
Returns

The first matching index, or -1.

Example
values = i:[10, 20, 10]
print(values.indexOf(10, 1))  # 2