function setElement( target, property, value, ctx ) {
	var err;
	var v;

	err = ctx.validator( value, ctx.dtype );
	if ( err ) {
		throw err;
	}
	if ( ctx.preSetElement ) {
		v = ctx.preSetElement( value );
	} else {
		v = value;
	}
	ctx.setter( target, resolveIndex( property, target.length, ctx.strict ), v ); // eslint-disable-line max-len
	return true;
}
Sets the element associated with a specified index.

@private
@param {Object} target - target object
@param {string} property - index string
@param {*} value - new value
@param {Object} ctx - context object
@param {Function} ctx.setter - accessor for setting array elements
@param {string} ctx.dtype - target array data type
@param {boolean} ctx.strict - boolean indicating whether to enforce strict bounds checking
@param {Function} ctx.validator - function for validating new values
@param {(Function|null)} ctx.preSetElement - function for normalizing new values (if necessary)
@throws {TypeError} assigned value cannot be safely cast to the target array data type
@throws {TypeError} target array must have a supported data type
@throws {RangeError} index exceeds array bounds
@returns {boolean} boolean indicating whether assignment succeeded