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Implement Iterator and Iterable interfaces on InternalTypeEnumeration #113

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Implement Iterator and Iterable interfaces on InternalTypeEnumeration #113

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27 changes: 27 additions & 0 deletions base/src/main/java/proguard/classfile/util/InternalTypeEnumeration.java
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,8 @@

import proguard.classfile.*;

import java.util.Iterator;

/**
* An {@link InternalTypeEnumeration} provides an enumeration of all
* types listed in a given internal descriptor or signature of a class, a
Expand All @@ -31,6 +33,8 @@
* @author Eric Lafortune
*/
public class InternalTypeEnumeration
implements Iterator<String>,
Iterable<String>
{
private final String descriptor;
private final int formalTypeParametersIndex;
Expand Down Expand Up @@ -271,6 +275,29 @@ private void skipGeneric()
}


// Implementations for Iterator.
@Override
public boolean hasNext()
{
return hasMoreTypes();
}


@Override
public String next()
{
return nextType();
}


// Implementations for Iterable.
@Override
public Iterator<String> iterator()
{
return this;
}


/**
* A main method for testing the type enumeration.
*/
Expand Down
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