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provide as_string() method to return the alphabet characters #264

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merged 5 commits into from
Jan 11, 2024
Merged

provide as_string() method to return the alphabet characters #264

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e12cfd6
provide as_string() method to return the alphabet characters
JosiahParry Jan 11, 2024
8fab4b7
add docs for as_string()
JosiahParry Jan 11, 2024
d9cfc0c
put as_string() behind std feature flag
JosiahParry Jan 11, 2024
1b80804
make as_string() -> as_str() and no_std compatible
JosiahParry Jan 11, 2024
4f2767a
use core::str over std::str
JosiahParry Jan 11, 2024
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12 changes: 12 additions & 0 deletions src/alphabet.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -123,6 +123,11 @@ impl Alphabet {

Ok(Self::from_str_unchecked(alphabet))
}

/// Create a `&str` from the symbols in the `Alphabet`
pub fn as_str(&self) -> &str {
std::str::from_utf8(&self.symbols).unwrap()
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}
}

impl convert::TryFrom<&str> for Alphabet {
Expand Down Expand Up @@ -270,4 +275,11 @@ mod tests {
.unwrap()
);
}

#[test]
fn str_same_as_input() {
let alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
let a = Alphabet::try_from(alphabet).unwrap();
assert_eq!(alphabet, a.as_str())
}
}