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bpo-32117: Allow tuple unpacking in return and yield statements (gh-4509)

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Iterable unpacking is now allowed without parentheses in yield and return
statements, e.g. ``yield 1, 2, 3, *rest``. Thanks to David Cuthbert for the
change and jChapman for added tests.
This commit is contained in:
David Cuthbert 2018-09-21 18:31:15 -07:00 • committed by Guido van Rossum
parent 7279b5125e
commit fd97d1f1af
4 changed files with 18 additions and 6 deletions
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6
Python/graminit.c
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@ -613,7 +613,7 @@ static arc arcs_25_0[1] = {
{75, 1},
};
static arc arcs_25_1[2] = {
{9, 2},
{47, 2},
{0, 1},
};
static arc arcs_25_2[1] = {
@ -1900,7 +1900,7 @@ static state states_85[3] = {
};
static arc arcs_86_0[2] = {
{77, 1},
{9, 2},
{47, 2},
};
static arc arcs_86_1[1] = {
{26, 2},
@ -2087,7 +2087,7 @@ static dfa dfas[87] = {
{341, "yield_expr", 0, 3, states_85,
"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\200\000"},
{342, "yield_arg", 0, 3, states_86,
"\000\040\200\000\000\000\000\000\000\040\010\000\000\000\020\002\000\300\220\050\037\000\000"},
"\000\040\200\000\002\000\000\000\000\040\010\000\000\000\020\002\000\300\220\050\037\000\000"},
};
static label labels[177] = {
{0, "EMPTY"},