jyapayne/Nim
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

preparations for making 'closure' the default calling convention for proc types

Browse source
This commit is contained in:
Araq 2012-07-16 23:00:57 +02:00
commit 8d99753d63
36 changed files with 117 additions and 102 deletions
Download patch file Download diff file Expand all files Collapse all files

4
lib/pure/collections/sequtils.nim
View file

@ -39,14 +39,14 @@ proc zip*[S, T](seq1: seq[S], seq2: seq[T]): seq[tuple[a: S, b: T]] =
newSeq(result, m)
for i in 0 .. m-1: result[i] = (seq1[i], seq2[i])
iterator filter*[T](seq1: seq[T], pred: proc(item: T): bool): T =
iterator filter*[T](seq1: seq[T], pred: proc(item: T): bool {.closure.}): T =
## Iterates through a sequence and yields every item that fulfills the
## predicate.
for i in countup(0, len(seq1) -1):
var item = seq1[i]
if pred(item): yield seq1[i]
proc filter*[T](seq1: seq[T], pred: proc(item: T): bool): seq[T] =
proc filter*[T](seq1: seq[T], pred: proc(item: T): bool {.closure.}): seq[T] =
## Returns all items in a sequence that fulfilled the predicate.
accumulateResult(filter(seq1, pred))