function set( target, property, value, receiver ) {
		var out;
		if ( hasProperty( target, property ) || !isString( property ) ) {
			return setValue( target, property, value, ctx );
		}
		if ( isIntegerString( property ) ) {
			return setElement( target, property, value, ctx );
		}
		if ( isCartesianIndexString( property ) ) {
			return setCartesian( target, property, value, ctx );
		}
		if ( isArrayIndexString( property ) ) {
			// FIXME
			return false;
		}
		out = setSlice( target, property, value, receiver, ctx );
		if ( out ) {
			return out;
		}
		// If we were unsuccessful (e.g., due to an invalid subsequence, etc), set the "property" in the same way as would any normal property (e.g., if an indexing expression is an invalid subsequence, assign as would a regular property: `i = 'a:b:c'` => `x[i] = 1` => `v = x[i]` => `v === 1`):
		return setValue( target, property, value, ctx );
	}
Trap for setting property values.

@private
@param {Object} target - target object
@param {(string|symbol)} property - property name
@param {*} value - new value
@param {Object} receiver - the proxy object or an object inheriting from the proxy
@throws {Error} invalid slice operation
@throws {RangeError} number of slice dimensions must match the number of ndarray dimensions
@throws {Error} assigned value must be broadcast compatible with output ndarray view
@throws {TypeError} assigned value cannot be safely cast to the output ndarray data type
@returns {boolean} boolean indicating whether assignment succeeded