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macros: Implement Display for attributes.

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This commit is contained in:
Emmanuel Gil Peyrot 2019-10-18 13:05:33 +02:00
parent 8c21efb2ac
commit 7b536e5bfc
1 changed files with 7 additions and 0 deletions
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7
src/util/macros.rs
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@ -85,6 +85,13 @@ macro_rules! generate_attribute {
}) })
} }
} }
impl std::fmt::Display for $elem {
fn fmt(&self, fmt: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
write!(fmt, "{}", match self {
$($elem::$a => $b),+
})
}
}
impl ::minidom::IntoAttributeValue for $elem { impl ::minidom::IntoAttributeValue for $elem {
fn into_attribute_value(self) -> Option<String> { fn into_attribute_value(self) -> Option<String> {
Some(String::from(match self { Some(String::from(match self {