diff options
| -rw-r--r-- | talpid-core/src/lib.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/talpid-core/src/lib.rs b/talpid-core/src/lib.rs index 1147e40fd6..8de9002c1a 100644 --- a/talpid-core/src/lib.rs +++ b/talpid-core/src/lib.rs @@ -62,7 +62,11 @@ mod linux; trait ErrorExt { + /// Creates a string representation of the entire error chain. fn display_chain(&self) -> String; + + /// Like [`display_chain`] but with an extra message at the start of the chain + fn display_chain_with_msg(&self, msg: &str) -> String; } impl<E: std::error::Error> ErrorExt for E { @@ -75,4 +79,14 @@ impl<E: std::error::Error> ErrorExt for E { } s } + + fn display_chain_with_msg(&self, msg: &str) -> String { + let mut s = format!("Error: {}\nCaused by: {}", msg, self); + let mut source = self.source(); + while let Some(error) = source { + s.push_str(&format!("\nCaused by: {}", error)); + source = error.source(); + } + s + } } |