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LibWeb: Use single shared instance of Inherit/InitialStyleValue

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These are always the same, so we can avoid allocating them repeatedly
and just use a single instance of each. :^)
This commit is contained in:
Sam Atkins 2021-08-20 12:08:53 +01:00 • committed by Andreas Kling
parent d2342caf42
commit 6d39f4342d
2 changed files with 13 additions and 5 deletions
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12
Userland/Libraries/LibWeb/CSS/StyleValue.h
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@ -534,7 +534,11 @@ private:
class InitialStyleValue final : public StyleValue {
public:
static NonnullRefPtr<InitialStyleValue> create() { return adopt_ref(*new InitialStyleValue); }
static NonnullRefPtr<InitialStyleValue> the()
{
static NonnullRefPtr<InitialStyleValue> instance = adopt_ref(*new InitialStyleValue);
return instance;
}
virtual ~InitialStyleValue() override { }
String to_string() const override { return "initial"; }
@ -548,7 +552,11 @@ private:
class InheritStyleValue final : public StyleValue {
public:
static NonnullRefPtr<InheritStyleValue> create() { return adopt_ref(*new InheritStyleValue); }
static NonnullRefPtr<InheritStyleValue> the()
{
static NonnullRefPtr<InheritStyleValue> instance = adopt_ref(*new InheritStyleValue);
return instance;
}
virtual ~InheritStyleValue() override { }
String to_string() const override { return "inherit"; }