function checkForSpacesAfterYield(node) {
			const tokens = sourceCode.getFirstTokens(node, 3),
				word = "yield";

			if (!node.argument || node.delegate) {
				return;
			}

			checkUnaryWordOperatorForSpaces(node, tokens[0], tokens[1], word);
		}
Verifies YieldExpressions satisfy spacing requirements
@param {ASTnode} node AST node
@returns {void}