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Merge pull request #2027 from dumndummer/patch-1

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Update sequtils.nim
This commit is contained in:
Andreas Rumpf 2015-02-04 10:38:50 +01:00
commit f0cdb49c3b
1 changed files with 4 additions and 4 deletions
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8
lib/pure/collections/sequtils.nim
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@ -382,7 +382,7 @@ template foldr*(sequence, operation: expr): expr =
result = operation result = operation
result result
template mapIt*(seq1, typ, pred: expr): expr = template mapIt*(seq1, typ, op: expr): expr =
## Convenience template around the ``map`` proc to reduce typing. ## Convenience template around the ``map`` proc to reduce typing.
## ##
## The template injects the ``it`` variable which you can use directly in an ## The template injects the ``it`` variable which you can use directly in an
@ -397,10 +397,10 @@ template mapIt*(seq1, typ, pred: expr): expr =
## assert strings == @["4", "8", "12", "16"] ## assert strings == @["4", "8", "12", "16"]
var result {.gensym.}: seq[typ] = @[] var result {.gensym.}: seq[typ] = @[]
for it {.inject.} in items(seq1): for it {.inject.} in items(seq1):
result.add(pred) result.add(op)
result result
template mapIt*(varSeq, pred: expr) = template mapIt*(varSeq, op: expr) =
## Convenience template around the mutable ``map`` proc to reduce typing. ## Convenience template around the mutable ``map`` proc to reduce typing.
## ##
## The template injects the ``it`` variable which you can use directly in an ## The template injects the ``it`` variable which you can use directly in an
@ -413,7 +413,7 @@ template mapIt*(varSeq, pred: expr) =
## assert nums[0] + nums[3] == 15 ## assert nums[0] + nums[3] == 15
for i in 0 .. <len(varSeq): for i in 0 .. <len(varSeq):
let it {.inject.} = varSeq[i] let it {.inject.} = varSeq[i]
varSeq[i] = pred varSeq[i] = op
template newSeqWith*(len: int, init: expr): expr = template newSeqWith*(len: int, init: expr): expr =
## creates a new sequence, calling `init` to initialize each value. Example: ## creates a new sequence, calling `init` to initialize each value. Example: