autocargo: fix ambiguous type

Summary:
the thrift library target `fbcode//thrift/annotation:all` defines `thrift_srcs = []`. in this case, a 'thrift_build.rs' will be generated that contains the line `let srcs = &[];`. this is of ambiguous type. fix this by ascription: `let srcs: &[&str]`.

before:
```counterexample
$ buck2 run fbcode//common/rust/cargo_from_buck/autocargo:autocargo && (cd fbcode/thrift/lib/rust/annotation/all && THRIFT1=$(buck2 build fbcode//thrift/compiler:thrift --show-full-simple-output) CARGO_TARGET_DIR=~/tmp cargo build)

error[E0282]: type annotations needed for `&[_; 0]`
  --> thrift_build.rs:41:9
   |
41 |     let srcs = &[];
   |         ^^^^   --- type must be known at this point
```

the `autocargo-verification` job should be expected to fail here. this is because it's `autocargo` itself that is being updated by this diff.

Reviewed By: Imxset21

Differential Revision: D57521067

fbshipit-source-id: 02f697a63898d5a27a611938d185ff4642edab2f

configerator/structs/scm/hg/hgclientconf/clients/thrift_build.rs

@@ -29,6 +29,6 @@ fn main() {
     conf.types_crate("config__types");
     conf.clients_crate("config__clients");
     conf.options("serde");
-    let srcs = &["../hgclient.thrift"];
+    let srcs: &[&str] = &["../hgclient.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/hg/hgclientconf/mocks/thrift_build.rs

@@ -29,6 +29,6 @@ fn main() {
     conf.types_crate("config__types");
     conf.clients_crate("config__clients");
     conf.options("serde");
-    let srcs = &["../hgclient.thrift"];
+    let srcs: &[&str] = &["../hgclient.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/hg/hgclientconf/services/thrift_build.rs

@@ -29,6 +29,6 @@ fn main() {
     conf.types_crate("config__types");
     conf.clients_crate("config__clients");
     conf.options("serde");
-    let srcs = &["../hgclient.thrift"];
+    let srcs: &[&str] = &["../hgclient.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/hg/hgclientconf/thrift_build.rs

@@ -29,6 +29,6 @@ fn main() {
     conf.types_crate("config__types");
     conf.clients_crate("config__clients");
     conf.options("serde");
-    let srcs = &["hgclient.thrift"];
+    let srcs: &[&str] = &["hgclient.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/lfs_server/clients/thrift_build.rs

@@ -31,6 +31,6 @@ fn main() {
     conf.types_crate("lfs_server_config__types");
     conf.clients_crate("lfs_server_config__clients");
     conf.options("serde");
-    let srcs = &["../lfs_server.thrift"];
+    let srcs: &[&str] = &["../lfs_server.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/lfs_server/mocks/thrift_build.rs

@@ -31,6 +31,6 @@ fn main() {
     conf.types_crate("lfs_server_config__types");
     conf.clients_crate("lfs_server_config__clients");
     conf.options("serde");
-    let srcs = &["../lfs_server.thrift"];
+    let srcs: &[&str] = &["../lfs_server.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/lfs_server/services/thrift_build.rs

@@ -31,6 +31,6 @@ fn main() {
     conf.types_crate("lfs_server_config__types");
     conf.clients_crate("lfs_server_config__clients");
     conf.options("serde");
-    let srcs = &["../lfs_server.thrift"];
+    let srcs: &[&str] = &["../lfs_server.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/lfs_server/thrift_build.rs

@@ -31,6 +31,6 @@ fn main() {
     conf.types_crate("lfs_server_config__types");
     conf.clients_crate("lfs_server_config__clients");
     conf.options("serde");
-    let srcs = &["lfs_server.thrift"];
+    let srcs: &[&str] = &["lfs_server.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/megarepo/clients/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("megarepo_configs__types");
     conf.clients_crate("megarepo_configs__clients");
     conf.options("serde");
-    let srcs = &["../megarepo_configs.thrift"];
+    let srcs: &[&str] = &["../megarepo_configs.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/megarepo/mocks/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("megarepo_configs__types");
     conf.clients_crate("megarepo_configs__clients");
     conf.options("serde");
-    let srcs = &["../megarepo_configs.thrift"];
+    let srcs: &[&str] = &["../megarepo_configs.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/megarepo/services/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("megarepo_configs__types");
     conf.clients_crate("megarepo_configs__clients");
     conf.options("serde");
-    let srcs = &["../megarepo_configs.thrift"];
+    let srcs: &[&str] = &["../megarepo_configs.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/megarepo/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("megarepo_configs__types");
     conf.clients_crate("megarepo_configs__clients");
     conf.options("serde");
-    let srcs = &["megarepo_configs.thrift"];
+    let srcs: &[&str] = &["megarepo_configs.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/megarepo/version_cconf_index/clients/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("version_cconf_index__types");
     conf.clients_crate("version_cconf_index__clients");
     conf.options("serde");
-    let srcs = &["../../version_cconf_index.thrift"];
+    let srcs: &[&str] = &["../../version_cconf_index.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/megarepo/version_cconf_index/mocks/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("version_cconf_index__types");
     conf.clients_crate("version_cconf_index__clients");
     conf.options("serde");
-    let srcs = &["../../version_cconf_index.thrift"];
+    let srcs: &[&str] = &["../../version_cconf_index.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/megarepo/version_cconf_index/services/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("version_cconf_index__types");
     conf.clients_crate("version_cconf_index__clients");
     conf.options("serde");
-    let srcs = &["../../version_cconf_index.thrift"];
+    let srcs: &[&str] = &["../../version_cconf_index.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/megarepo/version_cconf_index/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("version_cconf_index__types");
     conf.clients_crate("version_cconf_index__clients");
     conf.options("serde");
-    let srcs = &["../version_cconf_index.thrift"];
+    let srcs: &[&str] = &["../version_cconf_index.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/mysql/replication_lag/clients/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("replication_lag_config__types");
     conf.clients_crate("replication_lag_config__clients");
     conf.options("serde");
-    let srcs = &["../config.thrift"];
+    let srcs: &[&str] = &["../config.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/mysql/replication_lag/mocks/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("replication_lag_config__types");
     conf.clients_crate("replication_lag_config__clients");
     conf.options("serde");
-    let srcs = &["../config.thrift"];
+    let srcs: &[&str] = &["../config.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/mysql/replication_lag/services/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("replication_lag_config__types");
     conf.clients_crate("replication_lag_config__clients");
     conf.options("serde");
-    let srcs = &["../config.thrift"];
+    let srcs: &[&str] = &["../config.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/mysql/replication_lag/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("replication_lag_config__types");
     conf.clients_crate("replication_lag_config__clients");
     conf.options("serde");
-    let srcs = &["config.thrift"];
+    let srcs: &[&str] = &["config.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/observability/clients/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("observability_config__types");
     conf.clients_crate("observability_config__clients");
     conf.options("deprecated_default_enum_min_i32,serde");
-    let srcs = &["../observability_config.thrift"];
+    let srcs: &[&str] = &["../observability_config.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/observability/mocks/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("observability_config__types");
     conf.clients_crate("observability_config__clients");
     conf.options("deprecated_default_enum_min_i32,serde");
-    let srcs = &["../observability_config.thrift"];
+    let srcs: &[&str] = &["../observability_config.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/observability/services/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("observability_config__types");
     conf.clients_crate("observability_config__clients");
     conf.options("deprecated_default_enum_min_i32,serde");
-    let srcs = &["../observability_config.thrift"];
+    let srcs: &[&str] = &["../observability_config.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/observability/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("observability_config__types");
     conf.clients_crate("observability_config__clients");
     conf.options("deprecated_default_enum_min_i32,serde");
-    let srcs = &["observability_config.thrift"];
+    let srcs: &[&str] = &["observability_config.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/pushredirect/clients/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("pushredirect_enable__types");
     conf.clients_crate("pushredirect_enable__clients");
     conf.options("serde");
-    let srcs = &["../enable.thrift"];
+    let srcs: &[&str] = &["../enable.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/pushredirect/mocks/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("pushredirect_enable__types");
     conf.clients_crate("pushredirect_enable__clients");
     conf.options("serde");
-    let srcs = &["../enable.thrift"];
+    let srcs: &[&str] = &["../enable.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/pushredirect/services/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("pushredirect_enable__types");
     conf.clients_crate("pushredirect_enable__clients");
     conf.options("serde");
-    let srcs = &["../enable.thrift"];
+    let srcs: &[&str] = &["../enable.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/pushredirect/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("pushredirect_enable__types");
     conf.clients_crate("pushredirect_enable__clients");
     conf.options("serde");
-    let srcs = &["enable.thrift"];
+    let srcs: &[&str] = &["enable.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/qps/clients/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("qps_config__types");
     conf.clients_crate("qps_config__clients");
     conf.options("serde");
-    let srcs = &["../qps_config.thrift"];
+    let srcs: &[&str] = &["../qps_config.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/qps/mocks/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("qps_config__types");
     conf.clients_crate("qps_config__clients");
     conf.options("serde");
-    let srcs = &["../qps_config.thrift"];
+    let srcs: &[&str] = &["../qps_config.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/qps/services/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("qps_config__types");
     conf.clients_crate("qps_config__clients");
     conf.options("serde");
-    let srcs = &["../qps_config.thrift"];
+    let srcs: &[&str] = &["../qps_config.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/qps/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("qps_config__types");
     conf.clients_crate("qps_config__clients");
     conf.options("serde");
-    let srcs = &["qps_config.thrift"];
+    let srcs: &[&str] = &["qps_config.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/ratelimiting/clients/thrift_build.rs

@@ -31,6 +31,6 @@ fn main() {
     conf.types_crate("rate_limiting_config__types");
     conf.clients_crate("rate_limiting_config__clients");
     conf.options("deprecated_default_enum_min_i32,serde");
-    let srcs = &["../ratelimits.thrift"];
+    let srcs: &[&str] = &["../ratelimits.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/ratelimiting/mocks/thrift_build.rs

@@ -31,6 +31,6 @@ fn main() {
     conf.types_crate("rate_limiting_config__types");
     conf.clients_crate("rate_limiting_config__clients");
     conf.options("deprecated_default_enum_min_i32,serde");
-    let srcs = &["../ratelimits.thrift"];
+    let srcs: &[&str] = &["../ratelimits.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/ratelimiting/services/thrift_build.rs

@@ -31,6 +31,6 @@ fn main() {
     conf.types_crate("rate_limiting_config__types");
     conf.clients_crate("rate_limiting_config__clients");
     conf.options("deprecated_default_enum_min_i32,serde");
-    let srcs = &["../ratelimits.thrift"];
+    let srcs: &[&str] = &["../ratelimits.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/ratelimiting/thrift_build.rs

@@ -31,6 +31,6 @@ fn main() {
     conf.types_crate("rate_limiting_config__types");
     conf.clients_crate("rate_limiting_config__clients");
     conf.options("deprecated_default_enum_min_i32,serde");
-    let srcs = &["ratelimits.thrift"];
+    let srcs: &[&str] = &["ratelimits.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/redaction/clients/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("redaction_set__types");
     conf.clients_crate("redaction_set__clients");
     conf.options("serde");
-    let srcs = &["../redaction_set.thrift"];
+    let srcs: &[&str] = &["../redaction_set.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/redaction/mocks/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("redaction_set__types");
     conf.clients_crate("redaction_set__clients");
     conf.options("serde");
-    let srcs = &["../redaction_set.thrift"];
+    let srcs: &[&str] = &["../redaction_set.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/redaction/services/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("redaction_set__types");
     conf.clients_crate("redaction_set__clients");
     conf.options("serde");
-    let srcs = &["../redaction_set.thrift"];
+    let srcs: &[&str] = &["../redaction_set.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/redaction/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("redaction_set__types");
     conf.clients_crate("redaction_set__clients");
     conf.options("serde");
-    let srcs = &["redaction_set.thrift"];
+    let srcs: &[&str] = &["redaction_set.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/repos/commitsync/clients/thrift_build.rs

@@ -31,6 +31,6 @@ fn main() {
     conf.types_crate("commitsync__types");
     conf.clients_crate("commitsync__clients");
     conf.options("serde");
-    let srcs = &["../../commitsync.thrift"];
+    let srcs: &[&str] = &["../../commitsync.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/repos/commitsync/mocks/thrift_build.rs

@@ -31,6 +31,6 @@ fn main() {
     conf.types_crate("commitsync__types");
     conf.clients_crate("commitsync__clients");
     conf.options("serde");
-    let srcs = &["../../commitsync.thrift"];
+    let srcs: &[&str] = &["../../commitsync.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/repos/commitsync/services/thrift_build.rs

@@ -31,6 +31,6 @@ fn main() {
     conf.types_crate("commitsync__types");
     conf.clients_crate("commitsync__clients");
     conf.options("serde");
-    let srcs = &["../../commitsync.thrift"];
+    let srcs: &[&str] = &["../../commitsync.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/repos/commitsync/thrift_build.rs

@@ -31,6 +31,6 @@ fn main() {
     conf.types_crate("commitsync__types");
     conf.clients_crate("commitsync__clients");
     conf.options("serde");
-    let srcs = &["../commitsync.thrift"];
+    let srcs: &[&str] = &["../commitsync.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/repos/repos/clients/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("repos__types");
     conf.clients_crate("repos__clients");
     conf.options("deprecated_default_enum_min_i32,serde");
-    let srcs = &["../../repos.thrift"];
+    let srcs: &[&str] = &["../../repos.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/repos/repos/mocks/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("repos__types");
     conf.clients_crate("repos__clients");
     conf.options("deprecated_default_enum_min_i32,serde");
-    let srcs = &["../../repos.thrift"];
+    let srcs: &[&str] = &["../../repos.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/repos/repos/services/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("repos__types");
     conf.clients_crate("repos__clients");
     conf.options("deprecated_default_enum_min_i32,serde");
-    let srcs = &["../../repos.thrift"];
+    let srcs: &[&str] = &["../../repos.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/repos/repos/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("repos__types");
     conf.clients_crate("repos__clients");
     conf.options("deprecated_default_enum_min_i32,serde");
-    let srcs = &["../repos.thrift"];
+    let srcs: &[&str] = &["../repos.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/xdb_gc/clients/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("xdb_gc_structs__types");
     conf.clients_crate("xdb_gc_structs__clients");
     conf.options("serde");
-    let srcs = &["../xdb_gc.thrift"];
+    let srcs: &[&str] = &["../xdb_gc.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }

configerator/structs/scm/mononoke/xdb_gc/mocks/thrift_build.rs

@@ -30,6 +30,6 @@ fn main() {
     conf.types_crate("xdb_gc_structs__types");
     conf.clients_crate("xdb_gc_structs__clients");
     conf.options("serde");
-    let srcs = &["../xdb_gc.thrift"];
+    let srcs: &[&str] = &["../xdb_gc.thrift"];
     conf.run(srcs).expect("Failed while running thrift compilation");
 }