Changes between Version 1 and Version 2 of MultiArgAssign

Timestamp:

11/30/08 09:32:57 (16 years ago)

Author:

Chuck

Comment:

--

MultiArgAssign

@@ -3 +3 @@
 Cobra supports multi variable or multi target assignment
 {{{
-a,b,c = 10,20,30  # comma separated list of expressions
+a, b, c = 10, 20, 30  # comma separated list of expressions
 
 # or
-a,b,c = [10,20,30] # list literal
+a, b, c = [10, 20, 30] # list literal
 
 # or
-alist = [10,20,20]
-a,b,c = alist       # an arbitrary list variable
+alist = [10, 20, 20]
+a, b, c = alist       # an arbitrary list variable
 
 assert a == 10
@@ -40 +40 @@
 # unusual but acceptable - dict keyed by int in range
 dict = {1:'aye', 2:'bee'}
-a,b = dict
+a, b = dict
 assert a == 'aye'
 assert b == 'bee'
 
 # assignment to an expression list
-a,s,c = 99+1, 'xxx'+'y', 2*2
+a, x, c = 99+1, 'xxx'+'y', 2*2
 assert a == 100
 assert x == 'xxxy'
 assert c == 4
-
 }}}
 
@@ -57 +56 @@
 The target source values are atomic in value for the duration of the assignments.
 
-== multi Targets in a 'for loop' ==
+== Multi Targets in a 'for loop' ==
  
 Multiple targets can also be provided in a for loop covering an enumerable
@@ -68 +67 @@
 {{{
 dict = {'x':'aye', 'y':'bee'}
-for k,v in dict
-    print 'key=,k, 'value=', v
+for k, v in dict
+    print 'key=', k, 'value=', v
     assert k in '[x', 'y']
     assert v in ['aye', 'bee']
@@ -77 +76 @@
 the same size as the list of targets for each step of the enumeration
 {{{
-for i,j in [1,2,3,4]    # error
+for i, j in [1, 2, 3, 4]    # error
     pass
 
-for i,j in [ [1,2], [3,4]]
-    assert i in [1,3]
-    assert j in [2,4]    
-
+for i, j in [[1, 2], [3, 4]]
+    assert i in [1, 3]
+    assert j in [2, 4]
 }}}
 
@@ -90 +88 @@
 [wiki:EnumForExpr for expression]
 {{{
-i,j = for x in [1,2,3,4] get x
+i, j = for x in [1, 2, 3, 4] get x
 
-alist = [1,2,3,4]
-i,j = for x in alist get x
+alist = [1, 2, 3, 4]
+i, j = for x in alist get x
 }}}