Remove generics in windows_registry

Signed-off-by: Jiahao XU <[email protected]>

Author: NobodyXu

src/windows/find_tools.rs

@@ -1131,14 +1131,14 @@ mod impl_ {
     /// Finding msbuild.exe tool under unix system is not currently supported.
     /// Maybe can check it using an environment variable looks like `MSBUILD_BIN`.
     #[inline(always)]
-    pub(super) fn find_msbuild<F>(_target: TargetArch<'_>, _: F) -> Option<Tool> {
+    pub(super) fn find_msbuild(_target: TargetArch<'_>, _: &dyn EnvGetter) -> Option<Tool> {
         None
     }
 
     // Finding devenv.exe tool under unix system is not currently supported.
     // Maybe can check it using an environment variable looks like `DEVENV_BIN`.
     #[inline(always)]
-    pub(super) fn find_devenv<F>(_target: TargetArch<'_>, _: F) -> Option<Tool> {
+    pub(super) fn find_devenv(_target: TargetArch<'_>, _: &dyn EnvGetter) -> Option<Tool> {
         None
     }
 
@@ -1174,24 +1174,36 @@ mod impl_ {
     }
 
     #[inline(always)]
-    pub(super) fn find_msvc_15plus<F>(_tool: &str, _target: TargetArch<'_>, _: F) -> Option<Tool> {
+    pub(super) fn find_msvc_15plus(
+        _tool: &str,
+        _target: TargetArch<'_>,
+        _: &dyn EnvGetter,
+    ) -> Option<Tool> {
         None
     }
 
     // For MSVC 14 we need to find the Universal CRT as well as either
     // the Windows 10 SDK or Windows 8.1 SDK.
     #[inline(always)]
-    pub(super) fn find_msvc_14<F>(_tool: &str, _target: TargetArch<'_>, _: F) -> Option<Tool> {
+    pub(super) fn find_msvc_14(
+        _tool: &str,
+        _target: TargetArch<'_>,
+        _: &dyn EnvGetter,
+    ) -> Option<Tool> {
         None
     }
 
     // For MSVC 12 we need to find the Windows 8.1 SDK.
     #[inline(always)]
-    pub(super) fn find_msvc_12<F>(_tool: &str, _target: TargetArch<'_>, _: F) -> Option<Tool> {
+    pub(super) fn find_msvc_12(
+        _tool: &str,
+        _target: TargetArch<'_>,
+        _: &dyn EnvGetter,
+    ) -> Option<Tool> {
         None
     }
 
-    pub(super) fn has_msbuild_version<F>(version: &str, _: F) -> bool {
+    pub(super) fn has_msbuild_version(version: &str, _: &dyn EnvGetter) -> bool {
         match version {
             "17.0" => false,
             "16.0" => false,