add sets.pop procedure (analogue to python) (#8383)

2018-07-21 19:51:14 +02:00 · 2018-07-21 19:51:14 +02:00 · 8fe8bed9c3
commit 8fe8bed9c3
parent f3926b5af1
2 changed files with 34 additions and 0 deletions
--- a/tests/sets/tsetpop.nim
+++ b/tests/sets/tsetpop.nim
@ -0,0 +1,22 @@
+discard """
+  targets: "c c++ js"
+  output: '''1000
+0
+set is empty
+'''
+"""
+
+import sets
+
+var a = initSet[int]()
+for i in 1..1000:
+  a.incl(i)
+echo len(a)
+for i in 1..1000:  
+  discard a.pop()
+echo len(a)
+
+try:
+  echo a.pop()
+except KeyError as e:
+  echo e.msg