Function isStartOfExpression

test/fixtures/snapshot/typescript.js:34323–34355

()

            }
        }
        function isStartOfExpression() {
            if (isStartOfLeftHandSideExpression()) {
                return true;
            }
            switch (token()) {
                case 39 /* SyntaxKind.PlusToken */:
                case 40 /* SyntaxKind.MinusToken */:
                case 54 /* SyntaxKind.TildeToken */:
                case 53 /* SyntaxKind.ExclamationToken */:
                case 89 /* SyntaxKind.DeleteKeyword */:
                case 112 /* SyntaxKind.TypeOfKeyword */:
                case 114 /* SyntaxKind.VoidKeyword */:
                case 45 /* SyntaxKind.PlusPlusToken */:
                case 46 /* SyntaxKind.MinusMinusToken */:
                case 29 /* SyntaxKind.LessThanToken */:
                case 132 /* SyntaxKind.AwaitKeyword */:
                case 125 /* SyntaxKind.YieldKeyword */:
                case 80 /* SyntaxKind.PrivateIdentifier */:
                    // Yield/await always starts an expression.  Either it is an identifier (in which case
                    // it is definitely an expression).  Or it's a keyword (either because we're in
                    // a generator or async function, or in strict mode (or both)) and it started a yield or await expression.
                    return true;
                default:
                    // Error tolerance.  If we see the start of some binary operator, we consider
                    // that the start of an expression.  That way we'll parse out a missing identifier,
                    // give a good message about an identifier being missing, and then consume the
                    // rest of the binary expression.
                    if (isBinaryOperator()) {
                        return true;
                    }
                    return isIdentifier();
            }
        }
        function isStartOfExpressionStatement() {
            // As per the grammar, none of '{' or 'function' or 'class' can start an expression statement.
            return token() !== 18 /* SyntaxKind.OpenBraceToken */ &&