Rollup merge of #114365 - tshepang:patch-6, r=Mark-Simulacrum
str.rs: remove "Basic usage" text Only one example is given
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f5df519fe7
@ -223,8 +223,6 @@ impl str {
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///
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/// # Examples
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///
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/// Basic usage:
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///
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/// ```
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/// let s = "this is a string";
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/// let boxed_str = s.to_owned().into_boxed_str();
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@ -487,8 +485,6 @@ pub fn to_uppercase(&self) -> String {
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///
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/// # Examples
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///
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/// Basic usage:
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///
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/// ```
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/// let string = String::from("birthday gift");
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/// let boxed_str = string.clone().into_boxed_str();
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@ -602,8 +598,6 @@ pub fn to_ascii_lowercase(&self) -> String {
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///
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/// # Examples
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///
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/// Basic usage:
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///
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/// ```
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/// let smile_utf8 = Box::new([226, 152, 186]);
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/// let smile = unsafe { std::str::from_boxed_utf8_unchecked(smile_utf8) };
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