From: Pepe Iborra Date: Wed, 25 Apr 2007 09:58:29 +0000 (+0000) Subject: Update the users_guide regarding list notation in :print X-Git-Tag: 2007-05-06~100 X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=8f081b6469ca70363385be3ed2eac0965dab3be1;ds=sidebyside Update the users_guide regarding list notation in :print --- diff --git a/docs/users_guide/ghci.xml b/docs/users_guide/ghci.xml index 03f4a3e..1bcea9a 100644 --- a/docs/users_guide/ghci.xml +++ b/docs/users_guide/ghci.xml @@ -1244,9 +1244,9 @@ li - (_t1::[Maybe Integer]) Prelude> head li Just 1 Prelude> :sp li -li - [Just 1 | _] +li - Just 1 : _ Prelude> :p li -li - [Just 1 | (_t2::[Maybe Integer])] +li - Just 1 : (_t2::[Maybe Integer]) Prelude> last li Just 5 Prelude> :sp li @@ -1262,8 +1262,6 @@ li - [Just 1,(_t6::Maybe Integer),Just 3,(_t7::Maybe Integer),Just 4] to help us observe how the li variable is evaluated progressively as we operate with it. Note for instance how last traverses all the elements of the list to compute its result, but without evaluating the individual elements. - Finally note that the Prolog convention of [head | tail] is used by - :sprint to display unevaluated lists. @@ -1389,7 +1387,7 @@ li - _ Prelude> head li Just 1 Prelude> :sp li -li - [Just 1 | _] +li - Just 1 : _ Prelude> last li Just 5 Prelude> :sp li @@ -1398,8 +1396,6 @@ li - [Just 1,_,_,_,Just 5] The example uses :sprint to help us observe how the li variable is evaluated progressively as we operate with it. Note for instance how last traverses all the elements of the list to compute its result, but without evaluating the individual elements. - Finally note that the Prolog convention of [head | tail] is used by - :sprint to display unevaluated lists.