from. A source set is essentially just a set of source directories containing source files. For example, when you apply the `c` plugin and define a library called `helloworld`, Gradle will define, by default, a source set containing the C source files in the `src/helloworld/c` directory. It will use these source files to build the `helloworld` library. This is described in more detail below.

For each component, Gradle defines one or more _binaries_ as output. To build a binary, Gradle will...

	}
}

// Issue 16158. Decoder.unmarshalAttr ignores the return value of copyValue.
func TestIssue16158(t *testing.T) {
	const data = `<foo b="HELLOWORLD"></foo>`
	err := Unmarshal([]byte(data), &struct {
		B byte `xml:"b,attr,omitempty"`
	}{})
	if err == nil {
		t.Errorf("Unmarshal: expected error, got nil")
	}
}