Good catch regarding the load, I will update the example.
You are also right, that we can use it inline, but the idea was also to discuss the type guards. If this check is extracted it can be reused across the app if necessary and it also improves readability of the code.
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In the type guard example truck with
loadof0will be considered asF1because0is falsy. It is better to check usinginoperator:Such check can be used even without writing type guard function:
typescriptlang.org/docs/handbook/a...
Good catch regarding the
load, I will update the example.You are also right, that we can use it inline, but the idea was also to discuss the type guards. If this check is extracted it can be reused across the app if necessary and it also improves readability of the code.