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k

Karthik Periasami

06/11/2021, 6:29 PM
interface RestApi {
    fun get()
    fun post()
    fun put()
    fun delete()
}
interface NewRestApi {
    suspend fun get()
    suspend fun post()
    suspend fun put()
    suspend fun delete()
}
I am adding a feature in my rest client library to support suspend functions. What is the recommended prefix for suspend method names? I need something to differentiate between the non-suspend functions, to avoid misunderstanding. Any ideas are welcome, I suck at naming.
f

Francesc

06/11/2021, 6:58 PM
are the non-suspending functions blocking? if so, you could rename those to
blockingXYZ
as in
blockingGet
,
blockingPost
w

wasyl

06/11/2021, 6:59 PM
Distinguish them by package and let the users import the preferred version?
k

Karthik Periasami

06/11/2021, 7:00 PM
I cannot rename the existing functions, as it might affect the current usage of the library. I am currently differentiating this with different package, but the problem its not that straight forward in code reviews to find out which
get
is used.
e

ephemient

06/11/2021, 7:52 PM
@JvmName("get") fun blockingGet()
might help if you want to maintain binary compatibility with existing users (although this would be a source compatibility breakage)
oh wait that might not work on interfaces
interface RestApi {
    @Deprecated("Use blockingGet", ReplaceWith("blockingGet()"), DeprecationLevel.ERROR)
    fun get()
    @Suppress("DEPRECATION")
    fun blockingGet() = get()
}
will maintain ABI compatibility for existing users. new users use the new function name, and eventually you may be able to hide or remove the old function name
t

TwoClocks

06/11/2021, 8:28 PM
I just used
get
and
getSuspend
. The
getSuspend
must be called from a
async
block, and depending on what
get
does the compiler can also warn you if your making blocking calls from
async
code.
Or if the API is primarily intended to be called from
async
code I'll use
getNoSuspend
. But as far as I know there is no convention.
e

ephemient

06/11/2021, 8:43 PM
1. the IDE only has a really dumb heuristic right now: if it's
@Throws(IOException::class)
it'll warn about calling from suspending context, if the dispatcher isn't known to be IO... many issues such as https://youtrack.jetbrains.com/issue/KTIJ-838 etc. 2. IMO,
suspend fun getSuspend()
is too much stutter
u

ursus

06/12/2021, 2:00 AM
I saw people prefixing
await
. Also, I wouldn't put any notation on it, you cant call suspend function from a nonsuspending context anyways