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patch 8.1.0902: incomplete set of assignment operators

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Problem:    Incomplete set of assignment operators.
Solution:   Add /=, *= and %=. (Ozaki Kiichi, closes #3931)
This commit is contained in:
Bram Moolenaar
2019-02-12 22:28:33 +01:00
parent 57ee2b6e0b
commit ff697e6cef
4 changed files with 140 additions and 34 deletions
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6
runtime/doc/eval.txt
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@@ -10836,9 +10836,13 @@ This does NOT work: >
When the selected range of items is partly past the
end of the list, items will be added.
*:let+=* *:let-=* *:let.=* *E734*
*:let+=* *:let-=* *:letstar=*
*:let/=* *:let%=* *:let.=* *E734*
:let {var} += {expr1} Like ":let {var} = {var} + {expr1}".
:let {var} -= {expr1} Like ":let {var} = {var} - {expr1}".
:let {var} *= {expr1} Like ":let {var} = {var} * {expr1}".
:let {var} /= {expr1} Like ":let {var} = {var} / {expr1}".
:let {var} %= {expr1} Like ":let {var} = {var} % {expr1}".
:let {var} .= {expr1} Like ":let {var} = {var} . {expr1}".
These fail if {var} was not set yet and when the type
of {var} and {expr1} don't fit the operator.