Func (Swim System)

java.lang.Object
- swim.structure.Item
- - swim.structure.Value
  - - swim.structure.Expression
    - - swim.structure.Func

All Implemented Interfaces:

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

Direct Known Subclasses:

BridgeFunc, LambdaFunc
```
public abstract class Func
extends Expression
```

Constructor Summary

Constructors
Constructor Description

Func()

Method Summary

Modifier and Type	Method	Description
`Item`	`expand(Value args, Interpreter interpreter, InvokeOperator operator)`
`abstract Item`	`invoke(Value args, Interpreter interpreter, InvokeOperator operator)`
`boolean`	`isConstant()`	Returns `true` if this `Item` always `evaluates` to the same `Item`.

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, 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, compareTo, concat, debug, display, equals, evaluate, evaluate, filter, filter, globalScope, hashCode, 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
- Func
```
public Func()
```

Method Detail

invoke

public abstract Item invoke(Value args,
                            Interpreter interpreter,
                            InvokeOperator operator)

expand

public Item expand(Value args,
                   Interpreter interpreter,
                   InvokeOperator operator)

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