java.lang.Object
- swim.structure.Item
- - swim.structure.Field
  - - swim.structure.Attr

All Implemented Interfaces:

Comparable<Item>, Iterable<Item>, Map.Entry<Value,Value>, Debug, Display
```
public final class Attr
extends Field
```

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`alias()`
`Item`	`bitwiseAnd(Item that)`
`Item`	`bitwiseNot()`
`Item`	`bitwiseOr(Item that)`
`Item`	`bitwiseXor(Item that)`
`Attr`	`branch()`
`Attr`	`commit()`	Flags this `Item` as immutable, recursively if it is a `Record`, then returns this `Item`.
`int`	`compareTo(Item other)`
`void`	`debug(Output<?> output)`	Writes a developer readable, debug-formatted string representation of this object to `output`.
`Item`	`divide(Item that)`
`boolean`	`equals(Object other)`
`Item`	`evaluate(Interpreter interpreter)`
`int`	`hashCode()`
`Item`	`inverse()`
`boolean`	`isAliased()`
`boolean`	`isConstant()`	Returns `true` if this `Item` always `evaluates` to the same `Item`.
`boolean`	`isMutable()`
`Text`	`key()`	Returns the key component of this `Field`.
`boolean`	`keyEquals(Object key)`
`Item`	`minus(Item that)`
`Item`	`modulo(Item that)`
`String`	`name()`
`Item`	`negative()`
`Item`	`not()`
`static Attr`	`of(String key)`
`static Attr`	`of(String key, boolean value)`
`static Attr`	`of(String key, double value)`
`static Attr`	`of(String key, float value)`
`static Attr`	`of(String key, int value)`
`static Attr`	`of(String key, long value)`
`static Attr`	`of(String key, String value)`
`static Attr`	`of(String key, Value value)`
`static Attr`	`of(Text key)`
`static Attr`	`of(Text key, boolean value)`
`static Attr`	`of(Text key, double value)`
`static Attr`	`of(Text key, float value)`
`static Attr`	`of(Text key, int value)`
`static Attr`	`of(Text key, long value)`
`static Attr`	`of(Text key, String value)`
`static Attr`	`of(Text key, Value value)`
`Item`	`plus(Item that)`
`Item`	`positive()`
`Value`	`setValue(Value newValue)`	Sets the value of this `Field` to the new `value`, returning the old value.
`Item`	`substitute(Interpreter interpreter)`
`Item`	`times(Item that)`
`int`	`typeOrder()`	Returns the heterogeneous sort order of this `Item`.
`Attr`	`updatedValue(Value value)`	Returns a copy of this `Field` with the updated `value`.
`Value`	`value()`	Returns the value component of this `Field`.

Methods inherited from class swim.structure.Field
and, and, body, booleanValue, booleanValue, byteValue, byteValue, charValue, charValue, conditional, conditional, contains, containsKey, containsKey, containsValue, doubleValue, doubleValue, flattened, floatValue, floatValue, get, get, getAttr, getAttr, getField, getField, getItem, getKey, getSlot, getSlot, getValue, head, header, headers, integerValue, integerValue, intValue, intValue, isDefined, isDefinite, isDistinct, lambda, length, longValue, longValue, numberValue, numberValue, of, or, or, removed, removed, shortValue, shortValue, stringValue, stringValue, tag, tail, target, toValue, unflattened

Methods inherited from class swim.structure.Item
absent, appended, appended, appended, appended, appended, appended, appended, appended, cast, cast, coerce, coerce, concat, display, empty, eq, evaluate, extant, filter, filter, fromObject, ge, globalScope, gt, invoke, iterator, le, lt, max, min, ne, precedence, prepended, prepended, prepended, prepended, prepended, prepended, prepended, prepended, substitute, toString, updated, updated, updated, updated, updated, updated, updated, updated, updated, updated, updated, updated, updated, updated, updatedAttr, updatedAttr, updatedAttr, updatedAttr, updatedAttr, updatedAttr, updatedAttr, updatedAttr, updatedAttr, updatedAttr, updatedAttr, updatedAttr, updatedAttr, updatedAttr, updatedSlot, updatedSlot, updatedSlot, updatedSlot, updatedSlot, updatedSlot, updatedSlot, updatedSlot, updatedSlot, updatedSlot, updatedSlot, updatedSlot, updatedSlot, updatedSlot

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable
forEach, spliterator

Method Detail

isConstant
```
public boolean isConstant()
```
Description copied from class: Item

Returns true if this Item always evaluates to the same Item.

Specified by:

isConstant in class Item

name
```
public String name()
```

key
```
public Text key()
```
Description copied from class: Field

Returns the key component of this Field.

Specified by:

key in class Field

value
```
public Value value()
```
Description copied from class: Field

Returns the value component of this Field.

Specified by:

value in class Field

setValue
```
public Value setValue(Value newValue)
```
Description copied from class: Field

Sets the value of this Field to the new value, returning the old value.

Specified by:

setValue in interface Map.Entry<Value,Value>

Specified by:

setValue in class Field

updatedValue
```
public Attr updatedValue(Value value)
```
Description copied from class: Field

Returns a copy of this Field with the updated value.

Specified by:

updatedValue in class Field

bitwiseOr
```
public Item bitwiseOr(Item that)
```
Specified by:

bitwiseOr in class Item

bitwiseXor
```
public Item bitwiseXor(Item that)
```
Specified by:

bitwiseXor in class Item

bitwiseAnd
```
public Item bitwiseAnd(Item that)
```
Specified by:

bitwiseAnd in class Item

plus
```
public Item plus(Item that)
```
Specified by:

plus in class Item

minus
```
public Item minus(Item that)
```
Specified by:

minus in class Item

times
```
public Item times(Item that)
```
Specified by:

times in class Item

divide
```
public Item divide(Item that)
```
Specified by:

divide in class Item

modulo
```
public Item modulo(Item that)
```
Specified by:

modulo in class Item

not
```
public Item not()
```
Specified by:

not in class Item

bitwiseNot
```
public Item bitwiseNot()
```
Specified by:

bitwiseNot in class Item

negative
```
public Item negative()
```
Specified by:

negative in class Item

positive
```
public Item positive()
```
Specified by:

positive in class Item

inverse
```
public Item inverse()
```
Specified by:

inverse in class Item

evaluate

public Item evaluate(Interpreter interpreter)

Overrides:: evaluate in class Item

substitute

public Item substitute(Interpreter interpreter)

Overrides:: substitute in class Item

isAliased
```
public boolean isAliased()
```
Specified by:

isAliased in class Item

isMutable
```
public boolean isMutable()
```
Specified by:

isMutable in class Item

alias
```
public void alias()
```
Specified by:

alias in class Item

branch
```
public Attr branch()
```
Specified by:

branch in class Field

commit
```
public Attr commit()
```
Description copied from class: Item

Flags this Item as immutable, recursively if it is a Record, then returns this Item.

Specified by:

commit in class Field

typeOrder
```
public int typeOrder()
```
Description copied from class: Item

Returns the heterogeneous sort order of this Item. Used to impose a total order on the set of all items. When comparing two items of different types, the items order according to their typeOrder.

Specified by:

typeOrder in class Item

compareTo
```
public int compareTo(Item other)
```
Specified by:

compareTo in interface Comparable<Item>

Specified by:

compareTo in class Item

keyEquals

public boolean keyEquals(Object key)

Specified by:: keyEquals in class Item

equals
```
public boolean equals(Object other)
```
Specified by:

equals in interface Map.Entry<Value,Value>

Specified by:

equals in class Item

hashCode
```
public int hashCode()
```
Specified by:

hashCode in interface Map.Entry<Value,Value>

Specified by:

hashCode in class Item

debug
```
public void debug(Output<?> output)
```
Description copied from interface: Debug

Writes a developer readable, debug-formatted string representation of this object to output.

Specified by:

debug in interface Debug

Specified by:

debug in class Item

of

public static Attr of(Text key,
                      Value value)

of

public static Attr of(Text key,
                      String value)

of

public static Attr of(Text key,
                      int value)

of

public static Attr of(Text key,
                      long value)

of

public static Attr of(Text key,
                      float value)

of

public static Attr of(Text key,
                      double value)

of

public static Attr of(Text key,
                      boolean value)

of

public static Attr of(String key,
                      Value value)

of

public static Attr of(String key,
                      String value)

of

public static Attr of(String key,
                      int value)

of

public static Attr of(String key,
                      long value)

of

public static Attr of(String key,
                      float value)

of

public static Attr of(String key,
                      double value)

of

public static Attr of(String key,
                      boolean value)

of
```
public static Attr of(Text key)
```

of
```
public static Attr of(String key)
```

Class Attr

Method Summary

Methods inherited from class swim.structure.Field

Methods inherited from class swim.structure.Item

Methods inherited from class java.lang.Object

Methods inherited from interface java.lang.Iterable

Method Detail

isConstant

name

key

value

setValue

updatedValue

bitwiseOr

bitwiseXor

bitwiseAnd

plus

minus

times

divide

modulo

not

bitwiseNot

negative

positive

inverse

evaluate

substitute

isAliased

isMutable

alias

branch

commit

typeOrder

compareTo

keyEquals

equals

hashCode

debug

of

of

of

of

of

of

of

of

of

of

of

of

of

of

of

of