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.block.factory.HashingStrategies$BooleanFunctionHashingStrategy<T> implements org.eclipse.collections.api.block.HashingStrategy<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: org.eclipse.collections.impl.block.factory.HashingStrategies$BooleanFunctionHashingStrategy
  super_class: java.lang.Object
{
  private static final long serialVersionUID;
    descriptor: J
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 1

  private final org.eclipse.collections.api.block.function.primitive.BooleanFunction<? super T> function;
    descriptor: Lorg/eclipse/collections/api/block/function/primitive/BooleanFunction;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Lorg/eclipse/collections/api/block/function/primitive/BooleanFunction<-TT;>;

  private void <init>(org.eclipse.collections.api.block.function.primitive.BooleanFunction<? super T>);
    descriptor: (Lorg/eclipse/collections/api/block/function/primitive/BooleanFunction;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.eclipse.collections.impl.block.factory.HashingStrategies$BooleanFunctionHashingStrategy this
        start local 1 // org.eclipse.collections.api.block.function.primitive.BooleanFunction function
         0: .line 225
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 227
            aload 0 /* this */
            aload 1 /* function */
            putfield org.eclipse.collections.impl.block.factory.HashingStrategies$BooleanFunctionHashingStrategy.function:Lorg/eclipse/collections/api/block/function/primitive/BooleanFunction;
         2: .line 228
            return
        end local 1 // org.eclipse.collections.api.block.function.primitive.BooleanFunction function
        end local 0 // org.eclipse.collections.impl.block.factory.HashingStrategies$BooleanFunctionHashingStrategy this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    3     0      this  Lorg/eclipse/collections/impl/block/factory/HashingStrategies$BooleanFunctionHashingStrategy<TT;>;
            0    3     1  function  Lorg/eclipse/collections/api/block/function/primitive/BooleanFunction<-TT;>;
    Signature: (Lorg/eclipse/collections/api/block/function/primitive/BooleanFunction<-TT;>;)V
    MethodParameters:
          Name  Flags
      function  

  public int computeHashCode();
    descriptor: (Ljava/lang/Object;)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.eclipse.collections.impl.block.factory.HashingStrategies$BooleanFunctionHashingStrategy this
        start local 1 // java.lang.Object object
         0: .line 233
            aload 0 /* this */
            getfield org.eclipse.collections.impl.block.factory.HashingStrategies$BooleanFunctionHashingStrategy.function:Lorg/eclipse/collections/api/block/function/primitive/BooleanFunction;
            aload 1 /* object */
            invokeinterface org.eclipse.collections.api.block.function.primitive.BooleanFunction.booleanValueOf:(Ljava/lang/Object;)Z
            ifeq 1
            getstatic java.lang.Boolean.TRUE:Ljava/lang/Boolean;
            invokevirtual java.lang.Boolean.hashCode:()I
            goto 2
      StackMap locals:
      StackMap stack:
         1: getstatic java.lang.Boolean.FALSE:Ljava/lang/Boolean;
            invokevirtual java.lang.Boolean.hashCode:()I
      StackMap locals:
      StackMap stack: int
         2: ireturn
        end local 1 // java.lang.Object object
        end local 0 // org.eclipse.collections.impl.block.factory.HashingStrategies$BooleanFunctionHashingStrategy this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lorg/eclipse/collections/impl/block/factory/HashingStrategies$BooleanFunctionHashingStrategy<TT;>;
            0    3     1  object  TT;
    Signature: (TT;)I
    MethodParameters:
        Name  Flags
      object  

  public boolean equals(T, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.eclipse.collections.impl.block.factory.HashingStrategies$BooleanFunctionHashingStrategy this
        start local 1 // java.lang.Object object1
        start local 2 // java.lang.Object object2
         0: .line 239
            aload 0 /* this */
            getfield org.eclipse.collections.impl.block.factory.HashingStrategies$BooleanFunctionHashingStrategy.function:Lorg/eclipse/collections/api/block/function/primitive/BooleanFunction;
            aload 1 /* object1 */
            invokeinterface org.eclipse.collections.api.block.function.primitive.BooleanFunction.booleanValueOf:(Ljava/lang/Object;)Z
            aload 0 /* this */
            getfield org.eclipse.collections.impl.block.factory.HashingStrategies$BooleanFunctionHashingStrategy.function:Lorg/eclipse/collections/api/block/function/primitive/BooleanFunction;
            aload 2 /* object2 */
            invokeinterface org.eclipse.collections.api.block.function.primitive.BooleanFunction.booleanValueOf:(Ljava/lang/Object;)Z
            if_icmpne 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 2 // java.lang.Object object2
        end local 1 // java.lang.Object object1
        end local 0 // org.eclipse.collections.impl.block.factory.HashingStrategies$BooleanFunctionHashingStrategy this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    2     0     this  Lorg/eclipse/collections/impl/block/factory/HashingStrategies$BooleanFunctionHashingStrategy<TT;>;
            0    2     1  object1  TT;
            0    2     2  object2  TT;
    Signature: (TT;TT;)Z
    MethodParameters:
         Name  Flags
      object1  
      object2  
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/Object;Lorg/eclipse/collections/api/block/HashingStrategy<TT;>;
SourceFile: "HashingStrategies.java"
NestHost: org.eclipse.collections.impl.block.factory.HashingStrategies
InnerClasses:
  private final BooleanFunctionHashingStrategy = org.eclipse.collections.impl.block.factory.HashingStrategies$BooleanFunctionHashingStrategy of org.eclipse.collections.impl.block.factory.HashingStrategies