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The migration is almost done, at least the rest should happen in the background. There are still a few technical difference between the old cluster and the new ones, and they are summarized in this issue. Please pay attention to the TL:DR at the end of the comment.
This commit adds _if_some() variants for builder field setters.
The variants aim at improving usability when setting optional fields.
E.g. currently, we need to write something like:
let opt_value = ...;
let mut sb = gst::Structure::builder("test")
.field("mandatory_field", "mandatory");
if let Some(value) = opt_value
sb = sb.field("optional_field", value);
}
let s = sb.build();With _if_some(), this can be written like this:
let opt_value = ...;
let s = gst::Structure::builder("test")
.field("mandatory_field", "mandatory")
.field_if_some("optional_field", opt_value)
.build();Fixes: #499 (closed)