I'm a bit surpised...
I want to flatten a collection with 'mixed' entries, like this one {{1. 2. 3}. 4} -> {1. 2. 3. 4}
However it appears that #flatten does not work, because it expects that all elements in the collection are themselves collections. so {{1. 2. 3}. {4}} flatten -> {1. 2. 3. 4} works but {{1. 2. 3}. 4} flatten -> raises error because of a dnu on 4
Anyone knows the right method which would work for my case?
-- Simon Denier
They say: if you want something done right, do it yourself. So... :)
I added a #deepFlatten message in the Collection protocol in *collectionextensions. See the tests for the specs
In short, deepFlatten doesn't mind flat collections as well as multi-level collecions.
#( (1 2) ( (4 5) 3) ) deepFlatten --> #(1 2 4 5 3)
#( 5 ( (3) ) ) deepFlatten --> #(5 3)
It also preserves strings #( ('foo' ('bar') ) 'zorg' ) deepFlatten --> #('foo' 'bar' 'zorg')
On 4 févr. 2011, at 18:39, Simon Denier wrote:
I'm a bit surpised...
I want to flatten a collection with 'mixed' entries, like this one {{1. 2. 3}. 4} -> {1. 2. 3. 4}
However it appears that #flatten does not work, because it expects that all elements in the collection are themselves collections. so {{1. 2. 3}. {4}} flatten -> {1. 2. 3. 4} works but {{1. 2. 3}. 4} flatten -> raises error because of a dnu on 4
Anyone knows the right method which would work for my case?
-- Simon Denier
-- Simon Denier
Sounds good.
Doru
On 4 Feb 2011, at 23:42, Simon Denier wrote:
They say: if you want something done right, do it yourself. So... :)
I added a #deepFlatten message in the Collection protocol in *collectionextensions. See the tests for the specs
In short, deepFlatten doesn't mind flat collections as well as multi-level collecions.
#( (1 2) ( (4 5) 3) ) deepFlatten --> #(1 2 4 5 3)
#( 5 ( (3) ) ) deepFlatten --> #(5 3)
It also preserves strings #( ('foo' ('bar') ) 'zorg' ) deepFlatten --> #('foo' 'bar' 'zorg')
On 4 févr. 2011, at 18:39, Simon Denier wrote:
I'm a bit surpised...
I want to flatten a collection with 'mixed' entries, like this one {{1. 2. 3}. 4} -> {1. 2. 3. 4}
However it appears that #flatten does not work, because it expects that all elements in the collection are themselves collections. so {{1. 2. 3}. {4}} flatten -> {1. 2. 3. 4} works but {{1. 2. 3}. 4} flatten -> raises error because of a dnu on 4
Anyone knows the right method which would work for my case?
-- Simon Denier
-- Simon Denier
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