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final format cleanups

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This commit is contained in:
Jane Lusby 2020-02-10 15:39:32 -08:00
parent 583dd2c3ee
commit 87117783fb
1 changed files with 8 additions and 1 deletions
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9
src/libstd/backtrace.rs
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@ -168,6 +168,8 @@ impl fmt::Debug for Backtrace {
};
capture.resolve();
write!(fmt, "Backtrace ")?;
let mut dbg = fmt.debug_list();
for frame in &capture.frames {
@ -181,7 +183,12 @@ impl fmt::Debug for Backtrace {
impl fmt::Debug for BacktraceSymbol {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
let mut dbg = fmt.debug_struct("");
dbg.field("fn", &self.name.as_ref().map(|b| backtrace::SymbolName::new(b)));
if let Some(fn_name) = self.name.as_ref().map(|b| backtrace::SymbolName::new(b)) {
dbg.field("fn", &fn_name);
} else {
dbg.field("fn", &"<unknown>");
}
if let Some(fname) = self.filename.as_ref() {
dbg.field("file", fname);