1 files changed, 47 insertions, 0 deletions
diff --git a/tests/parser/tcommand_as_expr.nim b/tests/parser/tcommand_as_expr.nim
new file mode 100644
index 000000000..f37c34f63
--- /dev/null
+++ b/tests/parser/tcommand_as_expr.nim
@@ -0,0 +1,47 @@
+discard """
+  output: '''140
+5-120-120
+359
+77
+-4
+-1
+-1'''
+"""
+#import math
+import sequtils
+
+proc optarg(x:int, y:int = 0):int = x + 3 * y
+proc singlearg(x:int):int = 20*x
+echo optarg 1, singlearg 2
+
+
+proc foo(x: int): int = x-1
+proc foo(x, y: int): int = x-y
+
+let x = optarg foo 7.foo
+let y = singlearg foo(1, foo 8)
+let z = singlearg 1.foo foo 8
+
+echo x, y, z
+
+let a = [2,4,8].map do (d:int) -> int: d + 1
+echo a[0], a[1], a[2]
+
+echo(foo 8, foo 8)
+
+# bug #7582
+proc f(x: int): int = x
+
+echo f -4
+
+echo int -1 # doesn't compile
+echo int `-` 1 # compiles
+
+var num = 1
+num += int 2
+doAssert num == 3
+
+import options
+var opt = some some none int
+opt = some some none int
+opt = some none Option[int]