Added `$` for seq

2 files changed, 17 insertions, 0 deletions

diff --git a/lib/system.nim b/lib/system.nim
index 2acb989c5..e7308f5d3 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -1672,6 +1672,18 @@ proc `$`*[T: set](x: T): string =
     result.add($value)
   result.add("}")
 
+proc `$`*[T: seq](x: T): string = 
+  ## generic ``$`` operator for seqs that is lifted from the components
+  ## of `x`. Example:
+  ##
+  ## .. code-block:: nimrod
+  ##   $(@[23, 45]) == "@[23, 45]"
+  result = "@["
+  for value in items(x):
+    if result.len > 2: result.add(", ")
+    result.add($value)
+  result.add("]")
+
 when false:
   proc `$`*[T](a: openArray[T]): string = 
     ## generic ``$`` operator for open arrays that is lifted from the elements
diff --git a/tests/system/toString.nim b/tests/system/toString.nim
new file mode 100644
index 000000000..2a8ce1c0c
--- /dev/null
+++ b/tests/system/toString.nim
@@ -0,0 +1,5 @@
+discard """
+  output:'''@[23, 45]'''
+"""
+
+echo($(@[23, 45]))