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Preallocate in deduplicate_property_declarations

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This commit is contained in:
Manish Goregaokar 2017-01-31 16:43:57 -08:00
parent 77f53aae3e
commit 5117b7ec5a
1 changed files with 1 additions and 1 deletions
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2
components/style/properties/properties.mako.rs
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@ -329,7 +329,7 @@ mod property_bit_field {
/// ///
/// The input and output are in source order /// The input and output are in source order
fn deduplicate_property_declarations(block: &mut PropertyDeclarationBlock) { fn deduplicate_property_declarations(block: &mut PropertyDeclarationBlock) {
let mut deduplicated = Vec::new(); let mut deduplicated = Vec::with_capacity(block.declarations.len());
let mut seen_normal = PropertyBitField::new(); let mut seen_normal = PropertyBitField::new();
let mut seen_important = PropertyBitField::new(); let mut seen_important = PropertyBitField::new();
let mut seen_custom_normal = Vec::new(); let mut seen_custom_normal = Vec::new();