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About
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Error handling snippets. |
Usage
Ignoring Errors
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-Wl, -rpath,/opt/ros/ycs/mdb/lib -lmdb
| Code Block |
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| language | cpp |
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| title | Lising RPaths |
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readelf -d <binary> | grep RPATH |
Modifying
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# Simple Example
let res: Result<u8, ()> = Ok(42);
let opt: Option<u8> = res.ok();
println!("{:?}", opt);
# Nested Example
MsgSender::new(name.to_string())
.with_timepoint(sim_time(timestamp))
.with_component(&[Box3D::new(length / 2.0, width / 2.0, height / 2.0)]).ok()
.with_component(&[rerun_transform]).ok()
.with_component(&[ColorRGBA::from_rgb(r, g, b)]).ok()
.with_component(&[Radius(0.005)]).ok()
.with_component(&[Label(name.to_string().to_owned())]).ok()
.send(session).ok(); |
Collecting Errors
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# Nested Example - Get the First Error
let v = vec![1];
let result = v.iter().map(| |
MsgSender::new(name.to_string())
.with_timepoint(sim_time(timestamp))
.with_component(&[Box3D::new(length / 2.0, width / 2.0, height / 2.0)])?
.with_component(&[rerun_transform])?
.with_component(&[ColorRGBA::from_rgb(r, g, b)])?
.with_component(&[Radius(0.005)])?
.with_component(&[Label(name.to_string().to_owned())])?
.send(session)?
).collect();
match result {
Ok(_) => (),
Err(e) => println!("WARN: Failed to send 'bounding box' to the viz session [{:?}]", e)
} |