update backcall operator syntax, fix issue #31.

1 files changed, 25 insertions, 3 deletions

diff --git a/spec/inputs/backcall.mp b/spec/inputs/backcall.mp
index a648b16..0d52f3f 100644
--- a/spec/inputs/backcall.mp
+++ b/spec/inputs/backcall.mp
@@ -2,9 +2,9 @@
 {"abc", 123, 998} |> foreach print
 
 {1,2,3}
-        |> map((x)-> x * 2)
-        |> filter((x)-> x > 4)
-        |> reduce(0, (a,b)-> a + b)
+        |> map (x)-> x * 2
+        |> filter (x)-> x > 4
+        |> reduce 0, (a,b)-> a + b
         |> print
 
 [i |> tostring for i = 0,10] |> table.concat(",") |> print
@@ -36,6 +36,28 @@ arr[3] |> f 1, 2, _, 4, 5
 
 a = {"1","2","3"} |> table.concat("") |> tonumber |> f1(1, 2, 3, _) |> f2(1, _, 3)
 
+readFile "example.txt"
+        |> extract _, language, {}
+        |> parse _, language
+        |> emit
+        |> render
+        |> print
+
+123 |> not func! |> f
+
+do
+        _1 = list{"abc","xyz","123"}\map"#"\value!
+                |> -func!
+                |> abc 123, _, "x"
+
+        global _2,_3,_4 = 1,2,3
+                |> f
+
+        local _5 = v |> f1 1
+                                        |> f2 2
+                                        |> f3 3
+                                        |> f4 4
+
 do
         (x)<- map {1,2,3}
         x * 2