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Update test files
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flip1995
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@ -1,79 +0,0 @@
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// run-rustfix
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#![warn(clippy::unit_arg)]
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#![allow(clippy::no_effect, unused_must_use, unused_variables)]
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use std::fmt::Debug;
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fn foo<T: Debug>(t: T) {
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println!("{:?}", t);
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}
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fn foo3<T1: Debug, T2: Debug, T3: Debug>(t1: T1, t2: T2, t3: T3) {
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println!("{:?}, {:?}, {:?}", t1, t2, t3);
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}
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struct Bar;
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impl Bar {
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fn bar<T: Debug>(&self, t: T) {
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println!("{:?}", t);
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}
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}
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fn bad() {
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{}; foo(());
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{
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1;
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}; foo(());
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foo(1); foo(());
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{
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foo(1);
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foo(2);
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}; foo(());
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{}; foo3((), 2, 2);
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let b = Bar;
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{
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1;
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}; b.bar(());
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foo(0); foo(1); taking_multiple_units((), ());
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}
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fn ok() {
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foo(());
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foo(1);
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foo({ 1 });
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foo3("a", 3, vec![3]);
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let b = Bar;
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b.bar({ 1 });
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b.bar(());
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question_mark();
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}
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fn question_mark() -> Result<(), ()> {
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Ok(Ok(())?)?;
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Ok(Ok(()))??;
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Ok(())
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}
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#[allow(dead_code)]
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mod issue_2945 {
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fn unit_fn() -> Result<(), i32> {
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Ok(())
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}
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fn fallible() -> Result<(), i32> {
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Ok(unit_fn()?)
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}
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}
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#[allow(dead_code)]
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fn returning_expr() -> Option<()> {
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foo(1); Some(())
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}
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fn taking_multiple_units(a: (), b: ()) {}
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fn main() {
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bad();
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ok();
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}
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@ -1,4 +1,3 @@
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// run-rustfix
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#![warn(clippy::unit_arg)]
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#![allow(clippy::no_effect, unused_must_use, unused_variables)]
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@ -36,6 +35,20 @@ fn bad() {
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1;
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});
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taking_multiple_units(foo(0), foo(1));
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taking_multiple_units(foo(0), {
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foo(1);
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foo(2);
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});
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taking_multiple_units(
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{
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foo(0);
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foo(1);
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},
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{
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foo(2);
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foo(3);
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},
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);
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}
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fn ok() {
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@ -1,34 +1,53 @@
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error: passing a unit value to a function
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--> $DIR/unit_arg.rs:24:5
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--> $DIR/unit_arg.rs:23:5
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LL | foo({});
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| ^^^^^^^
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= note: `-D clippy::unit-arg` implied by `-D warnings`
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help: move the expressions in front of the call...
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help: move the expression in front of the call...
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LL | {}; foo({});
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| ^^^
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help: ...and use unit literals instead
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LL | {};
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help: ...and use a unit literal instead
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LL | foo(());
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| ^^
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error: passing a unit value to a function
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--> $DIR/unit_arg.rs:25:5
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--> $DIR/unit_arg.rs:24:5
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LL | / foo({
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LL | | 1;
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LL | | });
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| |______^
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help: move the expressions in front of the call...
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help: remove the semicolon from the last statement in the block
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LL | 1
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help: or move the expression in front of the call...
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LL | {
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LL | 1;
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LL | }; foo({
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LL | };
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help: ...and use unit literals instead
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help: ...and use a unit literal instead
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LL | foo(());
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| ^^
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error: passing a unit value to a function
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--> $DIR/unit_arg.rs:27:5
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LL | foo(foo(1));
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| ^^^^^^^^^^^
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help: move the expression in front of the call...
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LL | foo(1);
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help: ...and use a unit literal instead
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LL | foo(());
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| ^^
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@ -36,106 +55,157 @@ LL | foo(());
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error: passing a unit value to a function
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--> $DIR/unit_arg.rs:28:5
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LL | foo(foo(1));
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| ^^^^^^^^^^^
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help: move the expressions in front of the call...
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LL | foo(1); foo(foo(1));
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| ^^^^^^^
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help: ...and use unit literals instead
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LL | foo(());
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| ^^
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error: passing a unit value to a function
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--> $DIR/unit_arg.rs:29:5
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LL | / foo({
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LL | | foo(1);
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LL | | foo(2);
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LL | | });
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| |______^
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help: move the expressions in front of the call...
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help: remove the semicolon from the last statement in the block
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LL | foo(2)
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help: or move the expression in front of the call...
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LL | {
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LL | foo(1);
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LL | foo(2);
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LL | }; foo({
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LL | };
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help: ...and use unit literals instead
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help: ...and use a unit literal instead
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LL | foo(());
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| ^^
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error: passing a unit value to a function
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--> $DIR/unit_arg.rs:33:5
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--> $DIR/unit_arg.rs:32:5
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LL | foo3({}, 2, 2);
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| ^^^^^^^^^^^^^^
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help: move the expressions in front of the call...
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help: move the expression in front of the call...
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LL | {}; foo3({}, 2, 2);
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| ^^^
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help: ...and use unit literals instead
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LL | {};
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help: ...and use a unit literal instead
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LL | foo3((), 2, 2);
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| ^^
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error: passing a unit value to a function
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--> $DIR/unit_arg.rs:35:5
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--> $DIR/unit_arg.rs:34:5
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LL | / b.bar({
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LL | | 1;
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LL | | });
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| |______^
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help: move the expressions in front of the call...
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help: remove the semicolon from the last statement in the block
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LL | 1
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help: or move the expression in front of the call...
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LL | {
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LL | 1;
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LL | }; b.bar({
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LL | };
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help: ...and use unit literals instead
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help: ...and use a unit literal instead
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LL | b.bar(());
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| ^^
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error: passing a unit value to a function
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--> $DIR/unit_arg.rs:38:5
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error: passing unit values to a function
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--> $DIR/unit_arg.rs:37:5
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LL | taking_multiple_units(foo(0), foo(1));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: move the expressions in front of the call...
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LL | foo(0); foo(1); taking_multiple_units(foo(0), foo(1));
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| ^^^^^^^^^^^^^^^
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LL | foo(0);
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LL | foo(1);
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help: ...and use unit literals instead
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LL | taking_multiple_units((), foo(1));
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| ^^
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LL | taking_multiple_units((), ());
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| ^^ ^^
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error: passing unit values to a function
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--> $DIR/unit_arg.rs:38:5
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LL | / taking_multiple_units(foo(0), {
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LL | | foo(1);
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LL | | foo(2);
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LL | | });
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| |______^
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help: remove the semicolon from the last statement in the block
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LL | foo(2)
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help: or move the expressions in front of the call...
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LL | foo(0);
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LL | {
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LL | foo(1);
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LL | foo(2);
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LL | };
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help: ...and use unit literals instead
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LL | taking_multiple_units(foo(0), ());
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| ^^
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LL | taking_multiple_units((), ());
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| ^^ ^^
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error: passing unit values to a function
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--> $DIR/unit_arg.rs:42:5
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LL | / taking_multiple_units(
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LL | | {
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LL | | foo(0);
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LL | | foo(1);
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... |
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LL | | },
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LL | | );
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| |_____^
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help: remove the semicolon from the last statement in the block
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LL | foo(1)
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help: remove the semicolon from the last statement in the block
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LL | foo(3)
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help: or move the expressions in front of the call...
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LL | {
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LL | foo(0);
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LL | foo(1);
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LL | };
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LL | {
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LL | foo(2);
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...
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help: ...and use unit literals instead
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LL | (),
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LL | (),
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error: passing a unit value to a function
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--> $DIR/unit_arg.rs:71:5
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--> $DIR/unit_arg.rs:84:5
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LL | Some(foo(1))
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| ^^^^^^^^^^^^
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help: move the expressions in front of the call...
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help: move the expression in front of the call...
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LL | foo(1); Some(foo(1))
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| ^^^^^^^
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help: ...and use unit literals instead
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LL | foo(1);
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help: ...and use a unit literal instead
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LL | Some(())
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| ^^
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error: aborting due to 8 previous errors
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error: aborting due to 10 previous errors
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