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patch 8.2.2212: Vim9: lambda with => does not work at the script level

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Problem:    Vim9: lambda with => does not work at the script level.
Solution:   Make it work.
This commit is contained in:
Bram Moolenaar
2020-12-25 15:24:23 +01:00
parent b2f9e0e2c5
commit c754b4cc98
6 changed files with 56 additions and 16 deletions
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18
src/testdir/test_vim9_expr.vim
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@@ -1953,15 +1953,25 @@ def Test_expr7_new_lambda()
# Lambda returning a dict
var Lmb = () => ({key: 42})
assert_equal({key: 42}, Lmb())
var RefOne: func(number): string = (a: number): string => 'x'
var RefTwo: func(number): any = (a: number): any => 'x'
var Fx = (a) => ({k1: 0,
k2: 1})
var Fy = (a) => [0,
1]
END
CheckDefSuccess(lines)
CheckDefAndScriptSuccess(lines)
CheckDefFailure(["var Ref = (a)=>a + 1"], 'E1001:')
CheckDefFailure(["var Ref = (a)=> a + 1"], 'E1001:')
CheckDefFailure(["var Ref = (a) =>a + 1"], 'E1001:')
CheckDefSuccess(["var Ref: func(number): string = (a: number): string => 'x'"])
CheckDefSuccess(["var Ref: func(number): any = (a: number): any => 'x'"])
CheckScriptFailure(["vim9script", "var Ref = (a)=>a + 1"], 'E1004:')
CheckScriptFailure(["vim9script", "var Ref = (a)=> a + 1"], 'E1004:')
CheckScriptFailure(["vim9script", "var Ref = (a) =>a + 1"], 'E1004:')
CheckDefFailure(["var Ref: func(number): number = (a: number): string => 'x'"], 'E1012:')
CheckDefFailure(["var Ref: func(number): string = (a: number): string => 99"], 'E1012:')
@@ -1978,11 +1988,9 @@ def Test_expr7_new_lambda()
# 'E1106: 2 arguments too many')
# CheckDefFailure(["echo 'asdf'->{a -> a}(x)"], 'E1001:', 1)
CheckDefSuccess(['var Fx = (a) => ({k1: 0,', ' k2: 1})'])
CheckDefFailure(['var Fx = (a) => ({k1: 0', ' k2: 1})'], 'E722:', 2)
CheckDefFailure(['var Fx = (a) => ({k1: 0,', ' k2 1})'], 'E720:', 2)
CheckDefSuccess(['var Fx = (a) => [0,', ' 1]'])
CheckDefFailure(['var Fx = (a) => [0', ' 1]'], 'E696:', 2)
enddef