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I have tried this fix and it seems to work either with single or multiple trait inheritance.
trait Base:Base2 + Base3{
fn foo(&self);
}
trait Base2 {
fn baz(&self);
}
trait Base3{
fn root(&self);
}
trait Super: Base{
fn bar(&self);
}
struct X;
impl Base for X {
fn foo(&self) {
println("base foo");
}
}
impl Base2 for X {
fn baz(&self) {
println("base2 baz");
}
}
impl Base3 for X {
fn root(&self) {
println("base3 root");
}
}
impl Super for X {
fn bar(&self) {
println("super bar");
}
}
fn main() {
let n = X;
let s = &n as &Super;
s.bar();
s.foo(); // super bar
s.baz();
s.root();
}
bmaxa@maxa:~/examples/rust$ rustc error.rs
bmaxa@maxa:~/examples/rust$ ./error
super bar
base foo
base2 baz
base3 root
This is a preliminary version of the Rust compiler, libraries and tools Source layout: librustc/ The self-hosted compiler libstd/ The standard library (imported and linked by default) libextra/ The "extras" library (slightly more peripheral code) libsyntax/ The Rust parser and pretty-printer rt/ The runtime system rt/rust_*.cpp - The majority of the runtime services rt/isaac - The PRNG used for pseudo-random choices in the runtime rt/bigint - The bigint library used for the 'big' type rt/uthash - Small hashtable-and-list library for C, used in runtime rt/sync - Concurrency utils rt/util - Small utility classes for the runtime. rt/vg - Valgrind headers rt/msvc - MSVC support rt/linenoise - a readline-like line editing library test/ Testsuite test/compile-fail - Tests that should fail to compile test/run-fail - Tests that should compile, run and fail test/run-pass - Tests that should compile, run and succeed test/bench - Benchmarks and miscellanea test/pretty - Pretty-printer tests test/auxiliary - Dependencies of tests compiletest/ The test runner librustpkg/ The package manager and build system librusti/ The JIT REPL librustdoc/ The Rust API documentation tool llvm/ The LLVM submodule libuv/ The libuv submodule rustllvm/ LLVM support code libfuzzer/ A collection of fuzz testers etc/ Scripts, editor support, misc