add example for from_byte() documenation
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@ -106,6 +106,14 @@ pub fn from_utf8_owned(vv: Vec<u8>) -> Result<String, Vec<u8>> {
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/// # Failure
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/// # Failure
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///
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///
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/// Fails if invalid UTF-8
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/// Fails if invalid UTF-8
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///
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/// # Example
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///
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/// ```rust
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/// use std::str;
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/// let string = str::from_byte(66u8);
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/// assert_eq!(string.as_slice(), "B");
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/// ```
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pub fn from_byte(b: u8) -> String {
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pub fn from_byte(b: u8) -> String {
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assert!(b < 128u8);
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assert!(b < 128u8);
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String::from_char(1, b as char)
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String::from_char(1, b as char)
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