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patch 8.2.2200: Vim9: lambda without white space around -> is confusing

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Problem:    Vim9: lambda without white space around -> is confusing.
Solution:   Require white space in a :def funtion. (issue #7503)
This commit is contained in:
Bram Moolenaar
2020-12-23 20:27:31 +01:00
parent b3c8b1d254
commit 27bf7af9d0
4 changed files with 20 additions and 9 deletions
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6
src/testdir/test_vim9_expr.vim
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@@ -1863,6 +1863,10 @@ def Test_expr7_lambda()
END
CheckDefAndScriptSuccess(lines)
CheckDefFailure(["var Ref = {a->a + 1}"], 'E720:')
CheckDefFailure(["var Ref = {a-> a + 1}"], 'E720:')
CheckDefFailure(["var Ref = {a ->a + 1}"], 'E720:')
CheckDefFailure(["filter([1, 2], {k,v -> 1})"], 'E1069:', 1)
# error is in first line of the lambda
CheckDefFailure(["var L = {a -> a + b}"], 'E1001:', 0)
@@ -2538,7 +2542,7 @@ func Test_expr7_fails()
call CheckDefFailure(["'yes'->", "Echo()"], 'E488: Trailing characters: ->', 1)
call CheckDefExecFailure(["[1, 2->len()"], 'E697:', 2)
call CheckDefExecFailure(["{a: 1->len()"], 'E451:', 1)
call CheckDefExecFailure(["{a: 1->len()"], 'E723:', 2)
call CheckDefExecFailure(["{['a']: 1->len()"], 'E723:', 2)
endfunc