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Add must_use to StrExt methods

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Alex Butler 2024-02-08 19:02:39 +00:00 committed by Lukas Wirth
parent 79bb5e39b5
commit da4eb11ce9
1 changed files with 4 additions and 0 deletions
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4
lib/smol_str/src/lib.rs
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@ -551,24 +551,28 @@ pub trait StrExt: private::Sealed {
/// potentially without allocating.
///
/// See [`str::to_lowercase`].
#[must_use = "this returns a new SmolStr without modifying the original"]
fn to_lowercase_smolstr(&self) -> SmolStr;
/// Returns the uppercase equivalent of this string slice as a new [`SmolStr`],
/// potentially without allocating.
///
/// See [`str::to_uppercase`].
#[must_use = "this returns a new SmolStr without modifying the original"]
fn to_uppercase_smolstr(&self) -> SmolStr;
/// Returns the ASCII lowercase equivalent of this string slice as a new [`SmolStr`],
/// potentially without allocating.
///
/// See [`str::to_ascii_lowercase`].
#[must_use = "this returns a new SmolStr without modifying the original"]
fn to_ascii_lowercase_smolstr(&self) -> SmolStr;
/// Returns the ASCII uppercase equivalent of this string slice as a new [`SmolStr`],
/// potentially without allocating.
///
/// See [`str::to_ascii_uppercase`].
#[must_use = "this returns a new SmolStr without modifying the original"]
fn to_ascii_uppercase_smolstr(&self) -> SmolStr;
}