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L. McColl-Sylvester and F. Ponticelli

"Professional haXe and Neko"

The Lambda class provides the list of methods as detailed Table 4 - 1 .
Chapter 4: Controlling the Flow of Information
97
Table 4.1
Lambda Method Description
array( it : Iterable ) : Array Creates Array from Iterator
count ( it : Iterable ) : Int Returns the number of elements in
Iterator
empty( it : Iterable ) : Bool Tells if an iterable does not contain any
element
exists ( it : Iterable ,
f : A -> Bool ) : Bool
Tells if at least one element of the iterable is
found by using the specific function
filter ( it : Iterable ,
f : A -> Bool ) : List
Returns the list of elements matching the
function f
fold( it : Iterable ,
f : A -> B -> B, first : B ) : B
Performs the functional ???fold??? on
Iterator
foreach ( it : Iterable ,
f : A -> Bool ) : Bool
Tells if all elements of the iterable have the
specified property defined by f
has ( it : Iterable , elt : A,
?cmp : A -> A -> Bool ) : Bool
Tells if the element is part of an iterable
iter ( it : Iterable ,
f : A -> Void ) : Void
Applies function (X -> T) to all elements of
Iterator
list ( it : Iterable ) : List Creates a List from Iterator
map( it : Iterable ,
f : A -> B ) : List
Creates an Iterator from Iterator
with function (X -> T) applied
mapi( it : Iterable , f : Int ->
A -> B ) : List
Similar to map, but also passes an index for
each item iterated
map() And mapi()
The map and mapi methods of the Lambda class are very much like the map method of the List collection,
with the exception that Lambda.

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L. McColl-Sylvester and F. Ponticelli

"Professional haXe and Neko"