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Diffstat (limited to 'mew.svnwiki')
| -rw-r--r-- | mew.svnwiki | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/mew.svnwiki b/mew.svnwiki index 2ac6cfe..d3adc99 100644 --- a/mew.svnwiki +++ b/mew.svnwiki @@ -384,13 +384,19 @@ It is an error to compare uncomparable values. <procedure>(sort <obj> [<less?>])</procedure> -Sort the list/vector {{<obj>}} according to the relation {{less?}} +Sort the list/vector {{<obj>}} according to the relation {{<less?>}} (by default: {{<?}}). <procedure>(sort! <obj> [<less?>])</procedure> Sort the vector {{<obj>}} destructively according to the relation -{{less?}} (by default: {{<?}}). +{{<less>?}} (by default: {{<?}}). + +<procedure>(sort-by <obj> <f> [<less?>])</procedure> + +Sort the items of the list/vector {{<obj>}} by their image under {{f}}, +according to the relation {{<less?>}} (by default: {{<?}}). +This uses a Schwartzian transform and evaluates {{f}} only once per item. == Data types |