PsyLengthy (Psylla 0.12.0)

All Superinterfaces:

PsyConvertableToName, PsyConvertableToString, PsyObject

All Known Subinterfaces:

PsyBounded, PsyContainer<T>, PsyFormalArray<T>, PsyFormalDict<V>, PsyFormalQueue<T>, PsyFormalSet<T>, PsyTextual

All Known Implementing Classes:

PsyArray, PsyBitArray, PsyBitSet, PsyBlockingQueue, PsyCommand, PsyConfigDict, PsyDict, PsyErrorDict, PsyModule, PsyName, PsyNamespace, PsyProc, PsyRomanNumerals, PsySet, PsyString, PsySystemDict
```
public interface PsyLengthy
extends PsyObject
```
A representation of Ψ-lengthy, a type of an object that has length in some sense. Ususally the length is the number of elements in the container.

Field Summary

Fields
Modifier and Type Field Description

static PsyOperator[] OPERATORS

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default boolean`	`isEmpty()`	Returns a boolean indicating if this container is empty (has zero length).
`int`	`length()`	Returns a length of this object.
`default PsyBoolean`	`psyIsEmpty()`	Returns a Ψ-`boolean` indicating if this container is empty (has zero length).
`default PsyInteger`	`psyLength()`	Returns a Ψ-`integer` representing the length of this object.

Methods inherited from interface coneforest.psylla.core.PsyObject
convert, execute, invoke, psyClone, psyEq, psyHashCode, psyInstanceOf, psyNe, psySyntax, psyToName, psyToString, psyType, toSyntaxString, typeName

- Field Detail
  - OPERATORS
```
static final PsyOperator[] OPERATORS
```
- Method Detail
  - length
```
int length()
```
    Returns a length of this object.
    
    Returns:
    
    a length.
  - isEmpty
```
default boolean isEmpty()
```
    Returns a boolean indicating if this container is empty (has zero length).
    
    Returns:
    
    true, if this container is empty, and false otherwise.
  - psyLength
```
default PsyInteger psyLength()
```
    Returns a Ψ-integer representing the length of this object.
    
    Returns:
    
    a Ψ-integer length.
  - psyIsEmpty
```
default PsyBoolean psyIsEmpty()
```
    Returns a Ψ-boolean indicating if this container is empty (has zero length).
    
    Returns:
    
    a Ψ-boolean result.