https://github.com/eclipse/eclipse-collections/eclipse-collections: Eclipse Collections is a collections framework for Java. It has JDK-compatible List, Set and Map implementations with a rich API and set of utility classes that work with any JDK compatible Collections, Arrays, Maps or Strings. The iteration protocol was inspired by the Smalltalk collection framework.
  • Craig P. Motlin
  • Donald Raab
  • Mohammad A. Rezaei
  • Hiroshi Ito
  • Nikhil J. Nanivadekar 
final class org.eclipse.collections.impl.set.immutable.primitive.ImmutableTrueSet$TrueIterator implements org.eclipse.collections.api.iterator.BooleanIterator
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: org.eclipse.collections.impl.set.immutable.primitive.ImmutableTrueSet$TrueIterator
  super_class: java.lang.Object
{
  private int currentIndex;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.eclipse.collections.impl.set.immutable.primitive.ImmutableTrueSet$TrueIterator this
         0: .line 342
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.eclipse.collections.impl.set.immutable.primitive.ImmutableTrueSet$TrueIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/eclipse/collections/impl/set/immutable/primitive/ImmutableTrueSet$TrueIterator;

  public boolean next();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.eclipse.collections.impl.set.immutable.primitive.ImmutableTrueSet$TrueIterator this
         0: .line 349
            aload 0 /* this */
            getfield org.eclipse.collections.impl.set.immutable.primitive.ImmutableTrueSet$TrueIterator.currentIndex:I
            ifne 3
         1: .line 351
            aload 0 /* this */
            dup
            getfield org.eclipse.collections.impl.set.immutable.primitive.ImmutableTrueSet$TrueIterator.currentIndex:I
            iconst_1
            iadd
            putfield org.eclipse.collections.impl.set.immutable.primitive.ImmutableTrueSet$TrueIterator.currentIndex:I
         2: .line 352
            iconst_1
            ireturn
         3: .line 354
      StackMap locals:
      StackMap stack:
            new java.util.NoSuchElementException
            dup
            invokespecial java.util.NoSuchElementException.<init>:()V
            athrow
        end local 0 // org.eclipse.collections.impl.set.immutable.primitive.ImmutableTrueSet$TrueIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/eclipse/collections/impl/set/immutable/primitive/ImmutableTrueSet$TrueIterator;

  public boolean hasNext();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.eclipse.collections.impl.set.immutable.primitive.ImmutableTrueSet$TrueIterator this
         0: .line 360
            aload 0 /* this */
            getfield org.eclipse.collections.impl.set.immutable.primitive.ImmutableTrueSet$TrueIterator.currentIndex:I
            ifne 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // org.eclipse.collections.impl.set.immutable.primitive.ImmutableTrueSet$TrueIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/eclipse/collections/impl/set/immutable/primitive/ImmutableTrueSet$TrueIterator;
}
SourceFile: "ImmutableTrueSet.java"
NestHost: org.eclipse.collections.impl.set.immutable.primitive.ImmutableTrueSet
InnerClasses:
  private final TrueIterator = org.eclipse.collections.impl.set.immutable.primitive.ImmutableTrueSet$TrueIterator of org.eclipse.collections.impl.set.immutable.primitive.ImmutableTrueSet