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Return Types @Solan/Web3.js V2: Guide
As a developer working with Solan’s web3.js V2, they may have encountered situations where you need to decide or find the right type of functional return value. In this article, we look at how this is done.
Understanding the problem
@Sorana/Web3.js V2 Types are used to determine the shape and structure of the data. When you play Blockchain Solan features, you usually pass the parameters on the field or as an object with certain types. However, when the function returns the value, it is not always clear what this return is.
Basic Types @Solan/Web3.js V2
To understand how to get a function type of yield, first, some basic types that are available on the Solan Web3.JS V2 are examined:
Uint8array: Series 256 not signed 8-bit integers
U8: one unreaded 8-bit integer
Bajtes32: 32-Bajt data block coded in a syllable field
String: Unicode branded sequence
Bigint: Aristrary Pregenice, the number of decimal
Fixe64: 64-bit value with accuracy up to 18 digits
Removing Return Types
In order to get the type of function return, you need to analyze the functional signature and all the parameters donated. Here are some tips:
- Check the function signature : See the name, arguments and type of return of the feature.
- Analyze parameter types : Make sure every argument has a specific type (eg
UINT8array,U8, etc.). You can check the argument type “Typeof” operator or “manifestation”.
- Find the data types of the functional frame : If the return value is stored in the syllable field, you can lead it by analyzing it by analyzing it.
Example: Director of Return Type
Consider a simple example:
`Javascript
Const nashyslár = async (account: string) => {
// … The introduction of the introduction …
};
`
In this case, the “deployment” function has a parameter “account with” string “. The return value is stored as a byte field.
To determine that size, we can analyze the functional body:
`Javascript
Const nashyslár = async (account: string) => {
// … The introduction of the introduction …
Const result = wait for commissioning (account);
Console.log (performance length); // prints 24 bytes
};
`
In this case, the return is the value of the byte field with 24 elements.
Finding Return Types
If you are not sure of the type of feature or its return values, you can use the following methods:
1.
2
- Use checks such as
TS-jestor ‘if-erected’:These libraries can help you determine the types of errors and derivatives.
Finally, a derivative or finding basic types for return values @Solan/Web3.js V2 includes a functional signature, parameter types and income analysis of stored data structures. By following these tips and using tools such as women and documentation, you can write a more solid and maintained code in Solane.
