diff options
author | Yegappan Lakshmanan <yegappan@yahoo.com> | 2023-10-15 09:44:50 +0200 |
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committer | Christian Brabandt <cb@256bit.org> | 2023-10-15 09:44:50 +0200 |
commit | de3295dd0c68a8d7540a751a99ee056fd5b9a7a4 (patch) | |
tree | 4028cf0eca80889cfaccccf7af4c392ba6b4db88 /src/testdir/test_expr.vim | |
parent | ae3cfa47d3dcee75061db598eb19879693b2393a (diff) |
patch 9.0.2027: Vim9: no support for bitwise operators in lambda funcsv9.0.2027
Problem: Vim9: no support for bitwise operators in lambda funcs
Solution: move "evaluate" assignment a bit up in order to decide
to perform bitwise operations
closes: #13342
closes: #13345
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Diffstat (limited to 'src/testdir/test_expr.vim')
-rw-r--r-- | src/testdir/test_expr.vim | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/testdir/test_expr.vim b/src/testdir/test_expr.vim index 40b7809d15..d94ba4b58c 100644 --- a/src/testdir/test_expr.vim +++ b/src/testdir/test_expr.vim @@ -1041,6 +1041,50 @@ func Test_bitwise_shift() assert_equal(16, a) END call v9.CheckDefAndScriptSuccess(lines) + + let lines =<< trim END + # Use in a lambda function + const DivBy2Ref_A = (n: number): number => n >> 1 + assert_equal(16, DivBy2Ref_A(32)) + const DivBy2Ref_B = (n: number): number => (<number>n) >> 1 + assert_equal(16, DivBy2Ref_B(32)) + const MultBy2Ref_A = (n: number): number => n << 1 + assert_equal(8, MultBy2Ref_A(4)) + const MultBy2Ref_B = (n: number): number => (<number>n) << 1 + assert_equal(8, MultBy2Ref_B(4)) + + def DivBy2_A(): func(number): number + return (n: number): number => n >> 1 + enddef + assert_equal(16, DivBy2_A()(32)) + def DivBy2_B(): func(number): number + return (n: number): number => (<number>n) >> 1 + enddef + assert_equal(16, DivBy2_B()(32)) + def MultBy2_A(): func(number): number + return (n: number): number => n << 1 + enddef + assert_equal(64, MultBy2_A()(32)) + def MultBy2_B(): func(number): number + return (n: number): number => (<number>n) << 1 + enddef + assert_equal(64, MultBy2_B()(32)) + END + call v9.CheckDefAndScriptSuccess(lines) + + " Use in a legacy lambda function + const DivBy2Ref_A = {n -> n >> 1} + call assert_equal(16, DivBy2Ref_A(32)) + func DivBy2_A() + return {n -> n >> 1} + endfunc + call assert_equal(16, DivBy2_A()(32)) + const MultBy2Ref_A = {n -> n << 1} + call assert_equal(64, MultBy2Ref_A(32)) + func MultBy2_A() + return {n -> n << 1} + endfunc + call assert_equal(64, MultBy2_A()(32)) endfunc " vim: shiftwidth=2 sts=2 expandtab |