refactor: convert message and overflowValue to val

exact-numbers/src/main/kotlin/xyz/lbres/exactnumbers/exactfraction/ExactFractionOverflowException.kt

@@ -4,15 +4,18 @@ package xyz.lbres.exactnumbers.exactfraction
  * [ArithmeticException] for ExactFraction overflow.
  * Has field for string representation of value that caused overflow
  */
-class ExactFractionOverflowException() : ArithmeticException() {
-    override var message: String? = null
-    var overflowValue: String? = null
+class ExactFractionOverflowException private constructor(message: String?, overflowValue: String?, noArgs: Boolean) : ArithmeticException() {
+    override val message: String?
+    val overflowValue: String?
 
-    constructor (message: String) : this() {
+    init {
         this.message = message
-    }
-
-    constructor (message: String, overflowValue: String) : this(message) {
         this.overflowValue = overflowValue
     }
+
+    constructor() : this(null, null, true)
+
+    constructor(message: String) : this(message, null, false)
+
+    constructor(message: String, overflowValue: String) : this(message, overflowValue, false)
 }

exact-numbers/src/main/kotlin/xyz/lbres/exactnumbers/exceptions/CastingOverflowException.kt

@@ -3,18 +3,28 @@ package xyz.lbres.exactnumbers.exceptions
 /**
  * ArithmeticException for overflows when casting numbers
  */
-class CastingOverflowException() : ArithmeticException() {
-    override var message: String? = null
-    var overflowValue: Any? = null
+class CastingOverflowException private constructor(baseType: String, targetType: String, valueString: String, overflowValue: Any?, noArgs: Boolean) : ArithmeticException() {
+    override val message: String?
+    val overflowValue: Any?
+
+    init {
+        if (noArgs) {
+            this.message = null
+            this.overflowValue = null
+        } else {
+            this.message = "Overflow casting value $valueString of type $baseType to $targetType"
+            this.overflowValue = overflowValue
+        }
+    }
+
+    constructor() : this("", "", "", null, true)
 
     /**
      * @param baseType [String]: name of type being cast from
      * @param targetType [String]: name of type being cast to
      * @param valueString [String]: string to display for value that caused overflow
      * @param overflowValue [Any]?: number that caused overflow. Optional, defaults to `null`
      */
-    constructor (baseType: String, targetType: String, valueString: String, overflowValue: Any? = null) : this() {
-        this.message = "Overflow casting value $valueString of type $baseType to $targetType"
-        this.overflowValue = overflowValue
-    }
+    constructor (baseType: String, targetType: String, valueString: String, overflowValue: Any? = null) :
+        this(baseType, targetType, valueString, overflowValue, false)
 }

signatures/v1.0.0/updates.md

@@ -19,8 +19,16 @@ ADD fun pow(other: Int): ExactFraction
 ADD fun roundToWhole(roundingMode: RoundingMode): ExactFraction
 ```
 
-**Other**
+**ExactFractionOverflowException**
+```kotlin
+DEL var message: String?
+ADD val message: String?
 
+DEL var overflowValue: String?
+ADD val overflowValue: String?
+```
+
+**Other**
 ```kotlin
 DEL fun checkIsEFString(s: String): Boolean
 ```

signatures/v1.0.0/v1.0.0.md

@@ -102,8 +102,8 @@ ExactFractionOverflowException()
 ExactFractionOverflowException(message: String)
 ExactFractionOverflowException(message: String, overflowValue: String)
 
-var message: String?
-var overflowValue: String?
+val message: String?
+val overflowValue: String?
 ```
 
 ### xyz.lbres.exactnumbers.exceptions
@@ -115,8 +115,8 @@ class CastingOverflowException: ArithmeticException()
 CastingOverflowException()
 CastingOverflowException(baseType: String, targetType: String, valueString: String, overflowValue: Any?)
 
-var message: String?
-var overflowValue: Any?
+val message: String?
+val overflowValue: Any?
 ```
 
 ### xyz.lbres.exactnumbers.expressions.term
@@ -261,5 +261,5 @@ val ONE: Sqrt
 ### xyz.lbres.expression.term
 
 ```kotlin
-class Term // DEPRECATED
+typealias Term = xyz.lbres.exactnumbers.expressions.term.Term // DEPRECATED
 ```