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added $ for arrays

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This commit is contained in:
Simon Hafner 2014-03-31 15:58:52 -05:00
commit 71b69a627f
2 changed files with 19 additions and 15 deletions
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28
lib/system.nim
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@ -1705,6 +1705,15 @@ proc `$`*[T: tuple|object](x: T): string =
result.add($value)
firstElement = false
result.add(")")
proc collectionToString[T](x: T, b, e: string): string =
result = b
var firstElement = true
for value in items(x):
if not(firstElement): result.add(", ")
result.add($value)
firstElement = false
result.add(e)
proc `$`*[T: set](x: T): string =
## generic ``$`` operator for sets that is lifted from the components
@ -1712,13 +1721,7 @@ proc `$`*[T: set](x: T): string =
##
## .. code-block:: nimrod
## ${23, 45} == "{23, 45}"
result = "{"
var firstElement = true
for value in items(x):
if not(firstElement): result.add(", ")
result.add($value)
firstElement = false
result.add("}")
collectionToString(x, "{", "}")
proc `$`*[T: seq](x: T): string =
## generic ``$`` operator for seqs that is lifted from the components
@ -1726,13 +1729,10 @@ proc `$`*[T: seq](x: T): string =
##
## .. code-block:: nimrod
## $(@[23, 45]) == "@[23, 45]"
result = "@["
var firstElement = true
for value in items(x):
if not(firstElement): result.add(", ")
result.add($value)
firstElement = false
result.add("]")
collectionToString(x, "@[", "]")
proc `$`*[T: array](x: T): string =
collectionToString(x, "[", "]")
# ----------------- GC interface ---------------------------------------------