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encode trait lifetime params in metadata to allow cross-crate usage

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This commit is contained in:
David Renshaw 2013-12-04 21:13:31 -05:00
parent a6310f6ad3
commit d99efe84df
3 changed files with 41 additions and 0 deletions
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2
src/librustc/metadata/encoder.rs
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@ -1140,6 +1140,8 @@ fn encode_info_for_item(ecx: &EncodeContext,
encode_ty_type_param_defs(ebml_w, ecx,
trait_def.generics.type_param_defs,
tag_items_data_item_ty_param_bounds);
encode_region_param_defs(ebml_w, ecx,
trait_def.generics.region_param_defs);
encode_trait_ref(ebml_w, ecx, trait_def.trait_ref, tag_item_trait_ref);
encode_name(ecx, ebml_w, item.ident);
encode_attributes(ebml_w, item.attrs);

13
src/test/auxiliary/xcrate-trait-lifetime-param.rs Normal file
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@ -0,0 +1,13 @@
// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
pub trait FromBuf<'a> {
fn from_buf(&'a [u8]) -> Self;
}

26
src/test/run-pass/xcrate-trait-lifetime-param.rs Normal file
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@ -0,0 +1,26 @@
// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// xfail-fast
// aux-build:xcrate-trait-lifetime-param.rs
extern mod other(name = "xcrate-trait-lifetime-param");
struct Reader<'a> {
b : &'a [u8]
}
impl <'a> other::FromBuf<'a> for Reader<'a> {
fn from_buf(b : &'a [u8]) -> Reader<'a> {
Reader { b : b }
}
}
pub fn main () {}