Function

add(_:_:)

Adds two values together.

func add(_ left: any EcoreValue, _ right: any EcoreValue) throws -> any EcoreValue

Parameters

left: The left operand
right: The right operand

Return Value

The sum of the operands

Discussion

Supports addition of numeric types (Int, Double, Float) with automatic type coercion. String concatenation is also supported when both operands are strings.

Type Coercion Rules

Int + Int → Int
Double + Double → Double
Int + Double → Double (Int is promoted to Double)
String + String → String (concatenation)