在 英语 中使用 Type checking 的示例及其翻译为 中文
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Queries against data are expressed as basic strings without type checking at compile time or IntelliSense support.
Fortunately, you can use Rust's type system(and thus the type checking the compiler does) to do many of the checks for you.
Traditionally, queries against data are expressed as simple strings without type checking at compile time or IntelliSense support.
It's structural rather than nominal, meaning that it works basically like automatic duck typing rather than name or identity based type checking.
Unlike TypeScript, which has a similar purpose, you do not need to switch to a new language and comment on the code for type checking.
Although type checking is supported- and even required, in some rare cases- you will see that it's not usually the“Pythonic” way of thinking.
Static type checking enables faster execution because type checking need not be performed at runtime and because values can be stored in more efficient representations.
It does basic type checking of arrays versus scalars, and assigns integer indexes to all variable references(to avoid slower map lookups at execution time).
One reason is“run-time type checking takes time,” and a more thought out answer would include the enhanced feasibility of optimizing statically-typed code.
The type checks are moved so that they happen before the loop.
So const int is preferred for the type check while define is old style.
Numerous dynamic languages have looked at ways to add static typing checking.
If x is known to be a String, the type check succeeds;
If x is known to be a Socket, the type check fails.
Use the type check operator(is) to check whether an instance is of a certain subclass type. .
Use the type check operator(is) to check whether an instance is of a certain subclass type. .
Use the type check operator(is) to check whether an instance is of a certain subclass type. .
The type check operator returns true if the instance is of that subclass type and false if it is not.
TypeScript is a specific programming language that can radically enhance your development experience by giving compilation level type checks.