Merge branch 'devel' into underscore-tuple-unpack

Conflicts:
	compiler/semstmts.nim

tests/parser/tstrongspaces.nim

@@ -2,6 +2,12 @@
 
 discard """
   output: '''35
+true
+true
+4
+true
+1
+false
 77
 (Field0: 1, Field1: 2, Field2: 2)
 ha
@@ -9,11 +15,26 @@ true
 tester args
 all
 all args
+19
+-3
+false
+-2
 '''
 """
 
 echo 2+5 * 5
 
+# Keyword operators
+echo 1 + 16 shl 1 == 1 + (16 shl 1)
+echo 2 and 1  in  {0, 30}
+echo 2+2 * 2 shr 1
+echo false  or  2 and 1  in  {0, 30}
+
+proc `^`(a, b: int): int = a + b div 2
+echo 19 mod 16 ^ 4  +  2 and 1
+echo 18 mod 16 ^ 4 > 0
+
+# echo $foo gotcha
 let foo = 77
 echo $foo
 
@@ -27,7 +48,7 @@ when true:
   let b = 66
   let c = 90
   let bar = 8000
-  if foo+4 * 4 == 8 and b&c | 9  ++
+  if foo+4 * 4 == 8  and  b&c | 9  ++
       bar:
     echo "ho"
   else:
@@ -50,3 +71,13 @@ const
 echo tester & " " & args|"all"
 echo "all"  |  tester & " " & args
 echo "all"|tester & " " & args
+
+# Test arrow like operators. See also tests/macros/tclosuremacro.nim
+proc `+->`(a, b: int): int = a + b*4
+template `===>`(a, b: int): expr = a - b shr 1
+
+echo 3 +-> 2 + 2 and 4
+var arrowed = 3+->2 + 2 and 4  # arrowed = 4
+echo arrowed ===> 15
+echo (2 * 3+->2) == (2*3 +-> 2)
+echo arrowed ===> 2 + 3+->2