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Add a test for the OR_FUN_CALL lint

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mcarton 2016-01-18 13:36:58 +01:00
parent 21ba315102
commit 8642306f09
1 changed files with 12 additions and 0 deletions
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12
tests/compile-fail/methods.rs
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@ -177,6 +177,12 @@ fn search_is_some() {
/// Checks implementation of the OR_FUN_CALL lint /// Checks implementation of the OR_FUN_CALL lint
fn or_fun_call() { fn or_fun_call() {
struct Foo;
impl Foo {
fn new() -> Foo { Foo }
}
fn make<T>() -> T { unimplemented!(); } fn make<T>() -> T { unimplemented!(); }
let with_constructor = Some(vec![1]); let with_constructor = Some(vec![1]);
@ -226,6 +232,12 @@ fn or_fun_call() {
//~^ERROR use of `unwrap_or` //~^ERROR use of `unwrap_or`
//~|HELP try this //~|HELP try this
//~|SUGGESTION with_vec.unwrap_or_else(|| vec![]); //~|SUGGESTION with_vec.unwrap_or_else(|| vec![]);
let without_default = Some(Foo);
without_default.unwrap_or(Foo::new());
//~^ERROR use of `unwrap_or`
//~|HELP try this
//~|SUGGESTION without_default.unwrap_or_else(Foo::new);
} }
fn main() { fn main() {