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7de9402b77ded0d8ec9e1c554521b2121449ef2b
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.
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src
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test
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ui
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regions
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regions-creating-enums4.rs
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enum
Ast
<
'
a
>
{
Num
(
usize
),
Add
(&
'a Ast<'
a
>,
&
'a Ast<'
a
>)
}
fn
mk_add_bad2
<
'a,'
b
>(
x
:
&
'a Ast<'
a
>,
y
:
&
'a Ast<'
a
>,
z
:
&
Ast
)
->
Ast
<
'
b
>
{
Ast
::
Add
(
x
,
y
)
//~ ERROR cannot infer
}
fn
main
()
{
}