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Add ToEcoString trait #60

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Add ToEcoString trait #60

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15 changes: 15 additions & 0 deletions src/string.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -594,6 +594,21 @@ impl FromStr for EcoString {
}
}

/// A trait for converting a value to an [`EcoString`].
///
/// This trait is automatically implemented for any type which implements the
/// [`Display`] trait.
pub trait ToEcoString {
/// Converts the given value to an [`EcoString`].
fn to_eco_string(&self) -> EcoString;
}

impl<T: Display + ?Sized> ToEcoString for T {
fn to_eco_string(&self) -> EcoString {
eco_format!("{self}")
}
}

#[cold]
const fn exceeded_inline_capacity() -> ! {
panic!("exceeded inline capacity");
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7 changes: 7 additions & 0 deletions tests/tests.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@ use std::fmt::Write;
use std::mem;
use std::sync::atomic::{AtomicUsize, Ordering::*};

use ecow::string::ToEcoString;
use ecow::{eco_vec, EcoString, EcoVec};

const ALPH: &str = "abcdefghijklmnopqrstuvwxyz";
Expand Down Expand Up @@ -625,3 +626,9 @@ fn test_str_complex() {
assert_eq!(hash_map.get("foo").unwrap(), &["bar".into(), "foo".into(), "foo".into()]);
assert_eq!(hash_map.get("bar").unwrap(), &["bar".into()]);
}

#[test]
fn test_str_to_eco_string() {
let num = 123456789;
assert_eq!(num.to_eco_string(), "123456789");
}
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