tests/rustdoc-json/primitives/primitive_impls.rs

#![feature(no_core)]
#![feature(rustc_attrs)]
#![feature(rustdoc_internals)]
#![no_core]
#![rustc_coherence_is_core]

// @set impl_i32 = "$.index[*][?(@.docs=='Only core can do this')].id"

/// Only core can do this
impl i32 {
    // @set identity = "$.index[*][?(@.docs=='Do Nothing')].id"

    /// Do Nothing
    pub fn identity(self) -> Self {
        self
    }

    // @is "$.index[*][?(@.docs=='Only core can do this')].inner.impl.items[*]" $identity
}

// @set Trait = "$.index[*][?(@.name=='Trait')].id"
pub trait Trait {}
// @set impl_trait_for_i32 = "$.index[*][?(@.docs=='impl Trait for i32')].id"
/// impl Trait for i32
impl Trait for i32 {}

/// i32
#[rustc_doc_primitive = "i32"]
mod prim_i32 {}

// @set i32 = "$.index[*][?(@.docs=='i32')].id"
// @is "$.index[*][?(@.docs=='i32')].name" '"i32"'
// @is "$.index[*][?(@.docs=='i32')].inner.primitive.name" '"i32"'
// @ismany "$.index[*][?(@.docs=='i32')].inner.primitive.impls[*]" $impl_i32 $impl_trait_for_i32