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Fix USELESS_FORMAT wiki

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mcarton 2016-02-21 13:21:04 +01:00
parent 9c36736f51
commit d77ccdc338
1 changed files with 5 additions and 4 deletions
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9
src/format.rs
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@ -5,15 +5,16 @@ use syntax::ast::LitKind;
use utils::{DISPLAY_FMT_METHOD_PATH, FMT_ARGUMENTS_NEWV1_PATH}; use utils::{DISPLAY_FMT_METHOD_PATH, FMT_ARGUMENTS_NEWV1_PATH};
use utils::{is_expn_of, match_path, span_lint}; use utils::{is_expn_of, match_path, span_lint};
/// **What it does:** This lints about use of `format!("string literal with no argument")`. /// **What it does:** This lints about use of `format!("string literal with no argument")` and
/// `format!("{}", foo)`.
/// ///
/// **Why is this bad?** There is no point of doing that. If you want a `String` you can use /// **Why is this bad?** There is no point of doing that. If you want a `String` you can use
/// `to_owned` on the string literal. The even worse `&format!("foo")` is often encountered in the /// `to_owned` on the string literal or expression. The even worse `&format!("foo")` is often
/// wild. /// encountered in the wild.
/// ///
/// **Known problems:** None. /// **Known problems:** None.
/// ///
/// **Example:** `format!("foo")` /// **Examples:** `format!("foo")` and `format!("{}", foo)`
declare_lint! { declare_lint! {
pub USELESS_FORMAT, pub USELESS_FORMAT,
Warn, Warn,