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| author | Sean McArthur <sean@seanmonstar.com> | 2019-03-05 19:33:22 -0800 |
|---|---|---|
| committer | Sean McArthur <sean@seanmonstar.com> | 2019-03-05 19:54:15 -0800 |
| commit | 0d39797dc0d787c8dde695a2c0ac1262fedc77cb (patch) | |
| tree | 2c1af3a095520a0006c1fde380305e476282a824 /src/libstd | |
| parent | f22dca0a1bef4141e75326caacc3cd59f3d5be8e (diff) | |
| download | rust-0d39797dc0d787c8dde695a2c0ac1262fedc77cb.tar.gz rust-0d39797dc0d787c8dde695a2c0ac1262fedc77cb.zip | |
libstd: implement Error::source for io::Error
Diffstat (limited to 'src/libstd')
| -rw-r--r-- | src/libstd/io/error.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/libstd/io/error.rs b/src/libstd/io/error.rs index fdc5625ff18..614b79124cc 100644 --- a/src/libstd/io/error.rs +++ b/src/libstd/io/error.rs @@ -556,6 +556,14 @@ impl error::Error for Error { Repr::Custom(ref c) => c.error.cause(), } } + + fn source(&self) -> Option<&(dyn error::Error + 'static)> { + match self.repr { + Repr::Os(..) => None, + Repr::Simple(..) => None, + Repr::Custom(ref c) => c.error.source(), + } + } } fn _assert_error_is_sync_send() { |