src/test/ui/single-primitive-inherent-impl.rs


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#![crate_type = "lib"]
#![feature(lang_items)]
#![no_std]

// OK
#[lang = "str_alloc"]
impl str {}

impl str {
//~^ error: only a single inherent implementation marked with `#[lang = "str"]` is allowed for the `str` primitive
}