napi-rs/examples/napi/src/string.rs

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use napi::bindgen_prelude::*;
#[napi]
fn contains(source: String, target: String) -> bool {
source.contains(&target)
}
#[napi]
fn concat_str(mut s: String) -> String {
s.push_str(" + Rust 🦀 string!");
s
}
#[napi]
fn concat_utf16(s: Utf16String) -> Utf16String {
Utf16String::from(format!("{} + Rust 🦀 string!", s))
}
#[napi]
fn concat_latin1(s: Latin1String) -> String {
format!("{} + Rust 🦀 string!", s)
}