Fix documentation errors. Remove redundant long.ToString

Author: soronpo

library/src/scala/compiletime/ops/double.scala

@@ -31,7 +31,7 @@ object double:
 
   /** Integer division of two `Double` singleton types.
    *  ```scala
-   *  val div: 5.0 / 2.0 = 2.0
+   *  val div: 5.0 / 2.0 = 2.5
    *  ```
    *  @syntax markdown
    */
@@ -91,8 +91,8 @@ object double:
 
   /** Negation of an `Double` singleton type.
    *  ```scala
-   *  val neg1: Neg[-1.0] = 1.0
-   *  val neg2: Neg[1.0] = -1.0
+   *  val neg1: Negate[-1.0] = 1.0
+   *  val neg2: Negate[1.0] = -1.0
    *  ```
    *  @syntax markdown
    */

library/src/scala/compiletime/ops/float.scala

@@ -31,7 +31,7 @@ object float:
 
   /** Integer division of two `Float` singleton types.
    *  ```scala
-   *  val div: 5.0f / 2.0f = 2.0f
+   *  val div: 5.0f / 2.0f = 2.5f
    *  ```
    *  @syntax markdown
    */
@@ -91,8 +91,8 @@ object float:
 
   /** Negation of an `Float` singleton type.
    *  ```scala
-   *  val neg1: Neg[-1.0f] = 1.0f
-   *  val neg2: Neg[1.0f] = -1.0f
+   *  val neg1: Negate[-1.0f] = 1.0f
+   *  val neg2: Negate[1.0f] = -1.0f
    *  ```
    *  @syntax markdown
    */

library/src/scala/compiletime/ops/long.scala

@@ -12,7 +12,7 @@ object long:
    *    case 0L => 1L
    *    case 1L => 2L
    *    case 2L => 3L
-   *    ...
+   *    // ...
    *    case 9223372036854775806L => 9223372036854775807L
    *  }
    *  ```
@@ -155,8 +155,8 @@ object long:
 
   /** Negation of an `Long` singleton type.
    *  ```scala
-   *  val neg1: Neg[-1L] = 1L
-   *  val neg2: Neg[1L] = -1L
+   *  val neg1: Negate[-1L] = 1L
+   *  val neg2: Negate[1L] = -1L
    *  ```
    *  @syntax markdown
    */
@@ -178,14 +178,6 @@ object long:
    */
   type Max[X <: Long, Y <: Long] <: Long
 
-  /** String conversion of an `Long` singleton type.
-   *  ```scala
-   *  val abs: ToString[1L] = "1"
-   *  ```
-   *  @syntax markdown
-   */
-  type ToString[X <: Long] <: String
-
   /** Number of zero bits preceding the highest-order ("leftmost")
    * one-bit in the two's complement binary representation of the specified `Long` singleton type.
    * Returns 64 if the specified singleton type has no one-bits in its two's complement representation,

library/src/scala/compiletime/ops/string.scala

@@ -14,7 +14,7 @@ object string:
 
   /** Length of a `String` singleton type.
    *  ```scala
-   *  val helloSize: Size["hello"] = 5
+   *  val helloSize: Length["hello"] = 5
    *  ```
    *  @syntax markdown
    */