UnaryOperator (SwimOS)

java.lang.Object
- swim.structure.Item
- - swim.structure.Value
  - - swim.structure.Expression
    - - swim.structure.Operator
      - swim.structure.operator.UnaryOperator

All Implemented Interfaces:

Comparable<Item>, Iterable<Item>, Debug, Display

Direct Known Subclasses:

BitwiseNotOperator, NegativeOperator, NotOperator, PositiveOperator
```
public abstract class UnaryOperator
extends Operator
```
An Operator that represents a unary operation, i.e. an operation on one operand.

Constructor Summary

Constructors
Constructor Description

UnaryOperator(Item operand)

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`isConstant()`	Returns `true` if this `Item` always `evaluates` to the same `Item`.
`Item`	`operand()`
`abstract String`	`operator()`	Returns the token that identifiers this `Operator`'s operation.

Methods inherited from class swim.structure.Operator
compareTo, compareTo, equals, evaluate, hashCode

Methods inherited from class swim.structure.Expression
and, and, bitwiseAnd, bitwiseAnd, bitwiseNot, bitwiseOr, bitwiseOr, bitwiseXor, bitwiseXor, conditional, conditional, divide, divide, eq, eq, ge, ge, gt, gt, inverse, le, le, lt, lt, minus, minus, modulo, modulo, ne, ne, negative, not, or, or, plus, plus, positive, times, times

Methods inherited from class swim.structure.Value
absent, alias, body, booleanValue, booleanValue, branch, builder, byteValue, byteValue, charValue, charValue, commit, contains, containsKey, containsKey, containsValue, doubleValue, doubleValue, empty, extant, flattened, floatValue, floatValue, fromObject, get, get, getAttr, getAttr, getField, getField, getItem, getSlot, getSlot, head, header, headers, integerValue, integerValue, intValue, intValue, isAliased, isDefined, isDefinite, isDistinct, isMutable, key, keyEquals, lambda, length, longValue, longValue, numberValue, numberValue, removed, removed, shortValue, shortValue, stringValue, stringValue, tag, tail, target, toValue, unflattened

Methods inherited from class swim.structure.Item
appended, appended, appended, appended, appended, appended, appended, appended, cast, cast, coerce, coerce, concat, debug, display, evaluate, filter, filter, globalScope, invoke, iterator, max, min, precedence, prepended, prepended, prepended, prepended, prepended, prepended, prepended, prepended, substitute, substitute, toString, typeOrder, 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

- Constructor Detail
  - UnaryOperator
```
public UnaryOperator(Item operand)
```
- Method Detail
  - operand
```
public final Item operand()
```
  - operator
```
public abstract String operator()
```
    Returns the token that identifiers this Operator's operation. Used to uniquely identify the type of operation, and to aid serialization.
  - 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