patch 8.2.2527: Vim9: lambda return type is not determined at script level
Problem: Vim9: lambda return type is not determined at script level.
Solution: Compile the lambda to get the return type. (closes #7843)
diff --git a/src/testdir/test_vim9_assign.vim b/src/testdir/test_vim9_assign.vim
index 7599df2..4c63217 100644
--- a/src/testdir/test_vim9_assign.vim
+++ b/src/testdir/test_vim9_assign.vim
@@ -1108,6 +1108,8 @@
assert_equal(123, FuncRef_Func())
var FuncRef_Any: any = () => 123
assert_equal(123, FuncRef_Any())
+ var FuncRef_Number: func(): number = () => 321
+ assert_equal(321, FuncRef_Number())
END
CheckScriptSuccess(lines)
@@ -1115,8 +1117,7 @@
var Ref: func(number)
Ref = (j) => !j
END
- CheckDefFailure(lines, 'E1012: Type mismatch; expected func(number) but got func(any): bool')
- CheckScriptFailure(['vim9script'] + lines, 'E1012: Type mismatch; expected func(number) but got func(any): any')
+ CheckDefAndScriptFailure(lines, 'E1012: Type mismatch; expected func(number) but got func(any): bool')
enddef
def Test_heredoc()