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patch 8.2.2257: Vim9: using -> for lambda is ambiguous

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Problem:    Vim9: using -> for lambda is ambiguous.
Solution:   Stop supporting ->, must use =>.
This commit is contained in:
Bram Moolenaar
2020-12-31 21:28:47 +01:00
parent adc8e44645
commit 2949cfdbe4
10 changed files with 137 additions and 173 deletions
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8
src/testdir/test_vim9_assign.vim
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@@ -66,7 +66,7 @@ def Test_assignment()
CheckDefFailure(['var x:string'], 'E1069:')
CheckDefFailure(['var x:string = "x"'], 'E1069:')
CheckDefFailure(['var a:string = "x"'], 'E1069:')
CheckDefFailure(['var lambda = {-> "lambda"}'], 'E704:')
CheckDefFailure(['var lambda = () => "lambda"'], 'E704:')
CheckScriptFailure(['var x = "x"'], 'E1124:')
var nr: number = 1234
@@ -1032,11 +1032,11 @@ def Test_assign_lambda()
# check if assign a lambda to a variable which type is func or any.
var lines =<< trim END
vim9script
var FuncRef = {-> 123}
var FuncRef = () => 123
assert_equal(123, FuncRef())
var FuncRef_Func: func = {-> 123}
var FuncRef_Func: func = () => 123
assert_equal(123, FuncRef_Func())
var FuncRef_Any: any = {-> 123}
var FuncRef_Any: any = () => 123
assert_equal(123, FuncRef_Any())
END
CheckScriptSuccess(lines)