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stack allocated string array default struct field value not set #19483

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islonely opened this issue Sep 30, 2023 · 0 comments · Fixed by #19487
Closed

stack allocated string array default struct field value not set #19483

islonely opened this issue Sep 30, 2023 · 0 comments · Fixed by #19487
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Bug This tag is applied to issues which reports bugs. Unit: cgen Bugs/feature requests, that are related to the default C generating backend. Unit: Type System Bugs/feature requests, that are related to the V types system.

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@islonely
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islonely commented Sep 30, 2023

Describe the bug

[2]string as a struct field is not given a default value automatically. Following the field type with = [2]string{} allows it to work properly. This should be the default behavior.

Reproduction Steps

struct Foo {
mut:
	bar [2]string // = [2]string{}
}

fn main() {
	foo := Foo{}
	strs := [2]string{}
	println(strs[0])
	println(foo.bar[0])
}

Expected Behavior

Expected the code to print 2 empty strings.

Current Behavior

It prints the first empty string. But the second line is println(NIL).

Possible Solution

No response

Additional Information/Context

No response

V version

V full version: V 0.4.2 ae5b4bb.c030c5e

Environment details (OS name and version, etc.)

V full version: V 0.4.2 ae5b4bb.c030c5e
OS: windows, Microsoft Windows 11 Pro v22621 64-bit
Processor: 16 cpus, 64bit, little endian, 

getwd: C:\frostbyte
vexe: C:\Users\imado\v\v.exe
vexe mtime: 2023-09-30 16:48:31

vroot: OK, value: C:\Users\imado\v
VMODULES: OK, value: C:\Users\imado\.vmodules
VTMP: OK, value: C:\Users\imado\AppData\Local\Temp\v_0

Git version: git version 2.33.1.windows.1
Git vroot status: weekly.2023.39-27-gc030c5ef
.git/config present: true

CC version: Error: 'cc' is not recognized as an internal or external command,
operable program or batch file.

thirdparty/tcc status: thirdparty-windows-amd64 e90c2620

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@islonely islonely added the Bug This tag is applied to issues which reports bugs. label Sep 30, 2023
@ArtemkaKun ArtemkaKun added Unit: Type System Bugs/feature requests, that are related to the V types system. Unit: cgen Bugs/feature requests, that are related to the default C generating backend. labels Sep 30, 2023
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Labels
Bug This tag is applied to issues which reports bugs. Unit: cgen Bugs/feature requests, that are related to the default C generating backend. Unit: Type System Bugs/feature requests, that are related to the V types system.
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