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Re: enum syntax

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On 5/7/2016 20:58, ruben safir wrote:
> How is there no closing paran and a method included as an enum entry?
>
> what is this syntax ?
>
>
> /**
>  * An enumeration representing all base types in Calc. It also includes
>  * the ERROR designation, used by the type checker to propagate errors.
>  */
> public enum Type {
>     INT,
>     FLOAT,
>     BOOL,
>     STRING,
>     ERROR;
>
>     /**
>      * The types form a hierarchy, with ERROR at the root.
>      * @return The least upper bound of this and that.
>      */
>     public Type leastUpperBound(Type that) {
>         if(this == that)
>             return this;
>         if((this == INT && that == FLOAT)
>             ||(this == FLOAT && that == INT))
>             return FLOAT;
>         return ERROR;
>     }
>
>     /**
>      * Determines whether the type is numeric, defined as INT or FLOAT.
>      */
>     public boolean isNumeric() {
>         return leastUpperBound(FLOAT) == FLOAT;
>     }
> }
>

 From the JLS "In  addition  to  enum  constants,  the  body  of  an 
enum  declaration  may  contain
constructor and member declarations as well as instance and static 
initializers."  See JLS 8.9.2.


-- 

Knute Johnson

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enum syntax ruben safir <ruben@mrbrklyn.com> - 2016-05-07 23:58 -0400
  Re: enum syntax Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2016-05-07 21:43 -0700
    Re: enum syntax Roedy Green <inquiry@mindprod.com> - 2016-07-12 04:35 -0700
  Re: enum syntax Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-05-08 07:22 -0400
  Re: enum syntax Roedy Green <see_website@mindprod.com.invalid> - 2016-05-20 18:01 -0700

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