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x/mobile: If there is a private method in interface, it fails to generate IOS codes. (gobind) #57682

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taeguk opened this issue Jan 8, 2023 · 1 comment
Open

x/mobile: If there is a private method in interface, it fails to generate IOS codes. (gobind) #57682

taeguk opened this issue Jan 8, 2023 · 1 comment
Labels
mobile Android, iOS, and x/mobile NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
Milestone
Unreleased

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@taeguk
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taeguk commented Jan 8, 2023

If there is a private method in interface, it fails to generate methods whose return two results. (gobind)

Example code

type Test interface {
	A() string // OK!
	B() (string, error) // Error!

	c()
}

Error message

$ gomobile bind -target=ios -o "dist/RektEngine.xcframework" "github.com/justx-inc/rekt-engine/sdk/engine"

gomobile: iossimulator/amd64: go build -buildmode=c-archive -o /var/folders/kg/m9tfxgnj5zqgmr6pq5ttmqy00000gn/T/gomobile-work-1509676306/RektEngine-iossimulator-amd64.a ./gobind failed: exit status 2
# gobind/gobind
Engine_darwin.m:1883:35: error: incomplete result type 'struct cproxyengine_Test_B_return' in function definition
Engine_darwin.m:1883:8: note: forward declaration of 'struct cproxyengine_Test_B_return'
Engine_darwin.m:1901:3: error: must use 'struct' tag to refer to type 'cproxyengine_Test_B_return'
Engine_darwin.m:1901:30: error: variable has incomplete type 'struct cproxyengine_Test_B_return'
Engine_darwin.m:1883:8: note: forward declaration of 'struct cproxyengine_Test_B_return'
@gopherbot gopherbot added the mobile Android, iOS, and x/mobile label Jan 8, 2023
@gopherbot gopherbot added this to the Unreleased milestone Jan 8, 2023
@cherrymui
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cc @hyangah @golang/ios @golang/android

@cherrymui cherrymui added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Jan 18, 2023
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