TCPL/A.07.03_Postfix_Expressions

The operators in postfix expressions group left to right.

postfix-expression:
- primary-expression postfix-expression[expression] postfix-expression(argument-expression-listopt) postfix-expression.identifier
  postfix-expression->identifier postfix-expression++ postfix-expression--
argument-expression-list:
- assignment-expression assignment-expression-list , assignment-expression