• "Tim Matthews" <tim.matthews7 gmail.com> May 26 2009
• hasen <hasan.aljudy gmail.com> May 26 2009
• Ary Borenszweig <ary esperanto.org.ar> May 26 2009

"Tim Matthews" <tim.matthews7 gmail.com> writes:

Did D invent the 'lazy' evaluation.  
http://digitalmars.com/d/2.0/lazy-evaluation.html

I've just noticed that there is a System.Lazy<T> class in .net 4.0 but  
havern't heard much more about it.

hasen <hasan.aljudy gmail.com> writes:

Tim Matthews wrote:
 Did D invent the 'lazy' evaluation. 
 http://digitalmars.com/d/2.0/lazy-evaluation.html
 
 I've just noticed that there is a System.Lazy<T> class in .net 4.0 but 
 havern't heard much more about it.


hehe, no man, its been in functional languages all along

Ary Borenszweig <ary esperanto.org.ar> writes:

Tim Matthews wrote:
 Did D invent the 'lazy' evaluation. 
 http://digitalmars.com/d/2.0/lazy-evaluation.html
 
 I've just noticed that there is a System.Lazy<T> class in .net 4.0 but 
 havern't heard much more about it.


Nah, lazy evaluation already exists in Haskell and also in lambda calculus.

Wikipedia has some information, but not much: 
http://en.wikipedia.org/wiki/Lazy_evaluation