Function IsUnionTypeExpression

symbols/typeexprs.go:151–154

IsUnionTypeExpression returns true if tpe is a UnionType.

(tpe ast.BaseTerm)

// IsUnionTypeExpression returns true if tpe is a UnionType.
func IsUnionTypeExpression(tpe ast.BaseTerm) bool {
	op := typeOp(tpe)
	return op != nil && op.Symbol == UnionType.Symbol
}

// IsRelTypeExpression returns true if tpe is a RelType.
func IsRelTypeExpression(tpe ast.BaseTerm) bool {