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src
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test
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ui
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functions-closures
/
closure-inference.rs
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// run-pass
#![
allow
(
unused_braces
)]
fn
foo
(
i
:
isize
)
->
isize
{
i
+
1
}
fn
apply
<
A
,
F
>(
f
:
F
,
v
:
A
)
->
A where F
:
FnOnce
(
A
)
->
A
{
f
(
v
)
}
pub
fn
main
()
{
let
f
=
{|
i
|
foo
(
i
)};
assert_eq
!(
apply
(
f
,
2
),
3
);
}