setAtOrThrow

setAtOrThrow(target, idx, value)

Sets the value at the specified idx in target to value. If the index is out of bounds, throws an error.

data-first

setAtOrThrow([1, 2, 3], 1, 9); // [1, 9, 3]
setAtOrThrow([1, 2, 3], -1, 9); // [1, 2, 9]
setAtOrThrow([1, 2, 3], 5, 9); // throws FnError

data-last

pipe([1, 2, 3], setAtOrThrow(1, 9)); // [1, 9, 3]
pipe([1, 2, 3], setAtOrThrow(-1, 9)); // [1, 2, 9]
pipe([1, 2, 3], setAtOrThrow(5, 9)); // throws FnError