harmony 鸿蒙ArkCompiler Subsystem Changelog
ArkCompiler Subsystem Changelog
cl.arkcompiler.1 Added ArkTS Syntax Rule Compilation Check Scenario
Access Level
Others
Reason for Change
An interface can use a numeric literal as a property name. This does not comply with the ArkTS syntax rules. However, no compilation syntax check is provided for this scenario.
Change Impact
This change is a non-compatible change.
Before change: An interface can declare a numeric literal as a property name.
interface I {
one: string,
2: string // no compile-time error
}
After change: An interface cannot use a numeric literal as a property name.
interface I {
one: string,
2: string // compile-time error
}
Numeric literals cannot be used as property names in classes and object literals. Therefore, if an interface with a numeric literal declared as a property name is used, there is no compatibility problem.
This change is incompatible only when such an interface is declared but not used.
Start API Level
API version 10
Change Since
OpenHarmony SDK 5.0.0.29
Key API/Component Changes
N/A
Adaptation Guide
You are advised to change the property name from a numeric literal to a constant string or identifier in the declaration phase. For details about the description and modification method, see Recipes.
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