diff options
Diffstat (limited to 'Doc/reference/expressions.rst')
| -rw-r--r-- | Doc/reference/expressions.rst | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/Doc/reference/expressions.rst b/Doc/reference/expressions.rst index 1e94d40..945df61 100644 --- a/Doc/reference/expressions.rst +++ b/Doc/reference/expressions.rst @@ -612,11 +612,11 @@ of arguments: call: `primary` "(" [`argument_list` [","] : | `expression` `genexpr_for`] ")" argument_list: `positional_arguments` ["," `keyword_arguments`] - : ["," "*" `expression`] - : ["," "**" `expression`] + : ["," "*" `expression`] ["," `keyword_arguments`] + : ["," "**" `expression`] : | `keyword_arguments` ["," "*" `expression`] - : ["," "**" `expression`] - : | "*" `expression` ["," "**" `expression`] + : ["," `keyword_arguments`] ["," "**" `expression`] + : | "*" `expression` ["," `keyword_arguments`] ["," "**" `expression`] : | "**" `expression` positional_arguments: `expression` ("," `expression`)* keyword_arguments: `keyword_item` ("," `keyword_item`)* @@ -674,12 +674,13 @@ there were no excess keyword arguments. If the syntax ``*expression`` appears in the function call, ``expression`` must evaluate to a sequence. Elements from this sequence are treated as if they were -additional positional arguments; if there are positional arguments *x1*,...,*xN* -, and ``expression`` evaluates to a sequence *y1*,...,*yM*, this is equivalent -to a call with M+N positional arguments *x1*,...,*xN*,*y1*,...,*yM*. +additional positional arguments; if there are positional arguments *x1*,..., +*xN*, and ``expression`` evaluates to a sequence *y1*, ..., *yM*, this is +equivalent to a call with M+N positional arguments *x1*, ..., *xN*, *y1*, ..., +*yM*. -A consequence of this is that although the ``*expression`` syntax appears -*after* any keyword arguments, it is processed *before* the keyword arguments +A consequence of this is that although the ``*expression`` syntax may appear +*after* some keyword arguments, it is processed *before* the keyword arguments (and the ``**expression`` argument, if any -- see below). So:: >>> def f(a, b): |