$ go env
set GO111MODULE=on
set GOARCH=amd64
set GOBIN=
set GOCACHE=C:\Users\SLADE\AppData\Local\go-build
set GOENV=C:\Users\SLADE\AppData\Roaming\go\env
set GOEXE=.exe
set GOEXPERIMENT=
set GOFLAGS=
set GOHOSTARCH=amd64
set GOHOSTOS=windows
set GOINSECURE=
set GOMODCACHE=C:\Users\SLADE\.gopath\pkg\mod
set GONOPROXY=
set GONOSUMDB=
set GOOS=windows
set GOPATH=C:\Users\SLADE\.gopath
set GOPRIVATE=
set GOPROXY=https://proxy.golang.org,direct
set GOROOT=D:\Programs\Go
set GOSUMDB=sum.golang.org
set GOTMPDIR=
set GOTOOLDIR=D:\Programs\Go\pkg\tool\windows_amd64
set GOVCS=
set GOVERSION=go1.19.4
set GCCGO=gccgo
set GOAMD64=v1
set AR=ar
set CC=gcc
set CXX=g++
set CGO_ENABLED=1
set GOMOD=D:\Projects\Go\issue\go.mod
set GOWORK=
set CGO_CFLAGS=-g -O2
set CGO_CPPFLAGS=
set CGO_CXXFLAGS=-g -O2
set CGO_FFLAGS=-g -O2
set CGO_LDFLAGS=-g -O2
set PKG_CONFIG=pkg-config
set GOGCCFLAGS=-m64 -mthreads -Wl,--no-gc-sections -fmessage-length=0 -fdebug-prefix-map=C:\Users\SLADE\AppData\Local\Temp\go-build583418767=/tmp/go-build -gno-record-gcc-switches

package main
import (

"issue/foo"

)
func main() {

println(foo.Chain(foo.Foo()))

}

package foo
type Func func() error
func Chain(funcs ...Func) error {

for _, f := range funcs {

if err := f(); err != nil {

return err

}

}
return nil

}
func Foo() Func {

return bar[string]{}.Validate

}
type bar[T any] struct{}
func (v bar[T]) Validate() error {

return nil

}

module issue
go 1.19