class OrderedIter[E: nullable Object]

functional :: OrderedIter

An iterator that yield each item in order

Introduced properties

Redefined properties

redef type SELF: OrderedIter[E]

functional $ OrderedIter :: SELF

Type of this instance, automatically specialized in every class
redef fun finish

functional $ OrderedIter :: finish

Post-iteration hook.
redef init init

functional $ OrderedIter :: init

redef fun is_ok: Bool

functional $ OrderedIter :: is_ok

Is there a current item ?
redef fun item: E

functional $ OrderedIter :: item

The current item.
redef fun next

functional $ OrderedIter :: next

Jump to the next item.
redef fun to_a: Array[E]

functional $ OrderedIter :: to_a

Interate on self and build an array

All properties

fun !=(other: nullable Object): Bool

core :: Object :: !=

Have self and other different values?
fun +(other: Iterator[E]): Iterator[E]

core :: Iterator :: +

Combine two iterators.
fun ==(other: nullable Object): Bool

core :: Object :: ==

Have self and other the same value?
type CLASS: Class[SELF]

core :: Object :: CLASS

The type of the class of self.
type SELF: Object

core :: Object :: SELF

Type of this instance, automatically specialized in every class
private var _f: Fun1[E, Comparable]

functional :: OrderedIter :: _f

fun all(pred: Fun1[E, Bool]): Bool

core :: Iterator :: all

Checks if all elements respect a predicate
fun alternate(e: E): Iterator[E]

core :: Iterator :: alternate

Alternate each item with e.
fun any(pred: Fun1[E, Bool]): Bool

core :: Iterator :: any

Checks if at least one element respects a predicate
protected fun class_factory(name: String): CLASS

core :: Object :: class_factory

Implementation used by get_class to create the specific class.
fun class_name: String

core :: Object :: class_name

The class name of the object.
fun enumerate: EnumerateIter[E]

core :: Iterator :: enumerate

Iterator that gives the current count and element as a pair
protected fun f=(f: Fun1[E, Comparable])

functional :: OrderedIter :: f=

fun filter(pred: Fun1[E, Bool]): FilterIter[E]

core :: Iterator :: filter

Iterator that filters elements by a predicate
fun finish

core :: Iterator :: finish

Post-iteration hook.
fun flat_map(f: Fun1[E, Iterator[Object]]): FlatMapIter[E, Object]

core :: Iterator :: flat_map

Maps every element to a nested structure then flattens it
fun fold(acc: Object, f: Fun2[Object, E, Object]): Object

core :: Iterator :: fold

Folds an iterator from the left
fun fold1(f: Fun2[E, E, E]): E

core :: Iterator :: fold1

Folds and apply two element at a time
fun for_each(f: Proc1[E])

core :: Iterator :: for_each

Apply a mutation function over all elements
fun get_class: CLASS

core :: Object :: get_class

The meta-object representing the dynamic type of self.
fun hash: Int

core :: Object :: hash

The hash code of the object.
fun head(length: Int): Iterator[E]

core :: Iterator :: head

Filter: keep only the first length items.
init init

core :: Object :: init

fun inspect: String

core :: Object :: inspect

Developer readable representation of self.
protected fun inspect_head: String

core :: Object :: inspect_head

Return "CLASSNAME:#OBJECTID".
abstract fun is_ok: Bool

core :: Iterator :: is_ok

Is there a current item ?
intern fun is_same_instance(other: nullable Object): Bool

core :: Object :: is_same_instance

Return true if self and other are the same instance (i.e. same identity).
fun is_same_serialized(other: nullable Object): Bool

core :: Object :: is_same_serialized

Is self the same as other in a serialization context?
intern fun is_same_type(other: Object): Bool

core :: Object :: is_same_type

Return true if self and other have the same dynamic type.
abstract fun item: E

core :: Iterator :: item

The current item.
fun iterator: Iterator[E]

core :: Iterator :: iterator

Iterate over self
fun map(f: Fun1[E, Object]): MapIter[E, Object]

core :: Iterator :: map

Applies a function to every elements
private fun my_iter: Iterator[OLD]

functional :: FunIter :: my_iter

private fun my_iter=(my_iter: Iterator[OLD])

functional :: FunIter :: my_iter=

private intern fun native_class_name: CString

core :: Object :: native_class_name

The class name of the object in CString format.
abstract fun next

core :: Iterator :: next

Jump to the next item.
fun next_by(step: Int)

core :: Iterator :: next_by

Jump to the next item step times.
intern fun object_id: Int

core :: Object :: object_id

An internal hash code for the object based on its identity.
fun order_by(f: Fun1[E, Comparable]): OrderedIter[E]

core :: Iterator :: order_by

Generates an Iterator whose elements are sorted by the function
fun output

core :: Object :: output

Display self on stdout (debug only).
intern fun output_class_name

core :: Object :: output_class_name

Display class name on stdout (debug only).
fun select(predicate: Function[E, Bool]): Iterator[E]

core :: Iterator :: select

Filter: reject items that does not meet some criteria.
fun seq_uniq: Iterator[E]

core :: Iterator :: seq_uniq

Filter: reject continuous sequences of duplicates
fun serialization_hash: Int

core :: Object :: serialization_hash

Hash value use for serialization
fun skip(item: E): Iterator[E]

core :: Iterator :: skip

Filter: reject a given item.
fun skip_head(length: Int): Iterator[E]

core :: Iterator :: skip_head

Filter: reject the first length items.
fun skip_tail(length: Int): Iterator[E]

core :: Iterator :: skip_tail

Filter: reject the last length items.
fun sort: Iterator[E]

core :: Iterator :: sort

Filter: sort with default_comparator.
fun sort_with(comparator: Comparator): Iterator[E]

core :: Iterator :: sort_with

Filter: sort with a given comparator.
private fun sorted_arr=(sorted_arr: Array[E])

functional :: OrderedIter :: sorted_arr=

private fun sorted_iter=(sorted_iter: Iterator[E])

functional :: OrderedIter :: sorted_iter=

fun start

core :: Iterator :: start

Pre-iteration hook.
intern fun sys: Sys

core :: Object :: sys

Return the global sys object, the only instance of the Sys class.
fun tail(length: Int): Iterator[E]

core :: Iterator :: tail

Filter: keep only the last length items.
fun to_a: Array[E]

core :: Iterator :: to_a

Interate on self and build an array
abstract fun to_jvalue(env: JniEnv): JValue

core :: Object :: to_jvalue

fun to_s: String

core :: Object :: to_s

User readable representation of self.
fun to_step(step: Int): Iterator[E]

core :: Iterator :: to_step

A decorator around self that advance self a given number of steps instead of one.
fun uniq: Iterator[E]

core :: Iterator :: uniq

Filter: reject duplicates.
package_diagram functional::OrderedIter OrderedIter functional::iter_extras::FunIter FunIter functional::OrderedIter->functional::iter_extras::FunIter core::Iterator Iterator functional::iter_extras::FunIter->core::Iterator ...core::Iterator ... ...core::Iterator->core::Iterator

Ancestors

interface Iterator[E: nullable Object]

core :: Iterator

Iterators generate a series of elements, one at a time.
interface Object

core :: Object

The root of the class hierarchy.

Parents

private abstract class FunIter[OLD: nullable Object, NEW: nullable Object]

functional :: FunIter

Base class for all iterators using functional types.

Class definitions

functional $ OrderedIter 
# An iterator that yield each item in order
class OrderedIter[E]
        super FunIter[E,E]
        var f: Fun1[E, Comparable]

        private var sorted_iter: Iterator[E] is noinit
        private var sorted_arr: Array[E] is noinit

        redef init
        do
                sorted_arr = my_iter.to_a
                sorted_arr.sort_with(f)
                sorted_iter = sorted_arr.iterator
        end

        redef fun next
        do
                sorted_iter.next
        end

        redef fun item
        do
                return sorted_iter.item
        end

        redef fun is_ok
        do
                return sorted_iter.is_ok
        end

        redef fun finish
        do
                sorted_iter.finish
        end

        redef fun to_a
        do
                return sorted_arr
        end
end
lib/functional/iter_extras.nit:352,1--391,3
Nit tools. Version .