-
qsort is a C
standard library function that
implements a
sorting algorithm for
arrays of
arbitrary objects according to a user-provided
comparison function...
- comprehension: %%
qsort:
qsort(List) %% Sort a list of
items -module(
qsort). % This is the file '
qsort.erl' -export([
qsort/1]). % A
function '
qsort' with 1 parameter...
- the C++
standard library also
includes the
qsort function from the C
standard library.
Compared to
qsort, the
templated sort is more type-safe since...
- let rec
qsort =
function | [] -> [] |
pivot :: rest -> let
is_less x = x <
pivot in let left,
right = List.partition
is_less rest in
qsort left @ [pivot]...
- The line
above as written:
qsort(smaller) ::: pivot ::
qsort(rest)
could also be
written thus:
qsort(rest).::(pivot).:::(
qsort(smaller)) in more standard...
- n; divs = N mod
prime eq 0; end; end
qsort(a) = if eof(first a) then {{not a typo|a}} else follow(
qsort(b0),
qsort(b1)) fi
where p =
first a < a; b0 = a...
- List (partition)
qsort [] = []
qsort [a] = [a]
qsort (a:as) = let (lesser, greater) =
partition (<a) as in
qsort lesser ++ [a] ++
qsort greater To make...
-
useful for p****ing
functions as
arguments to higher-order
functions (such as
qsort or bsearch), in
dispatch tables, or as
callbacks to
event handlers. A null...
- sort) that
perform even
better than, for example, the C
standard library qsort,
thanks to C++
features like
using inlining and compile-time
binding instead...
- subroutine. Hence, it lent its name to the C
standard library subroutine qsort and in the
reference implementation of Java.
Robert Sedgewick's PhD thesis...
