unchangeable • Docs
unchangeable / set
set<
T>(value,path,item,keyIndex):T
Sets the item value of a composite value at a given path.
If the item is a function, it is called with the actual item value as argument and the return value is used to set the item value.
• T
• value: T
The composite value
• path: Path
The path leading to the item in the composite value
• item: any
The value of the item or a function with the old item value as argument and returning the new value of the item
• keyIndex: number = 0
The index in the path to start from, defaults to 0.
T
An new composite value or the same value if no change was necessary.