//! MLS Chapter 3: Operators and Expressions
//!
//! This module tests conformance to MLS 3.7-dev Chapter 3, which defines:
//! - §3.1 Expressions
//! - §3.2 Operator Precedence and Associativity
//! - §3.3 Evaluation Order
//! - §3.4 Arithmetic Operators
//! - §3.5 Equality, Relational, and Logical Operators
//! - §3.6 Miscellaneous Operators and Variables
//! - §3.7 Built-in Operators and Functions
//! - §3.8 Variability of Expressions
//!
//! Reference: https://specification.modelica.org/master/operatorsandexpressions.html