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Comment the go trick about static verification of a struct implementing an interface

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This commit is contained in:
Matthieu Rakotojaona 2015-07-18 21:52:10 +02:00
parent a8cd74ba7e
commit 1f79a19293
1 changed files with 5 additions and 0 deletions
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5
cmd/restic/cmd_mount.go
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@ -94,6 +94,9 @@ func (cmd CmdMount) Execute(args []string) error {
return c.MountError
}
// These lines statically ensure that a *snapshots implement the given
// interfaces; a misplaced refactoring of the implementation that breaks
// the interface will be catched by the compiler
var _ = fs.HandleReadDirAller(&snapshots{})
var _ = fs.NodeStringLookuper(&snapshots{})
@ -155,6 +158,7 @@ func (sn *snapshots) Lookup(ctx context.Context, name string) (fs.Node, error) {
return nil, fuse.ENOENT
}
// Statically ensure that *dir implement those interface
var _ = fs.HandleReadDirAller(&dir{})
var _ = fs.NodeStringLookuper(&dir{})
@ -215,6 +219,7 @@ func (d *dir) Lookup(ctx context.Context, name string) (fs.Node, error) {
return nil, fuse.ENOENT
}
// Statically ensure that *file implements the given interface
var _ = fs.HandleReader(&file{})
type file struct {