Misc tests for derive PartialEq

Zhiting Zhu · Zhiting Zhu · commit 238499b52825 · 2017-08-14T10:19:14.000-07:00
diff --git a/tests/expectations/tests/16-byte-alignment.rs b/tests/expectations/tests/16-byte-alignment.rs
@@ -19,7 +19,7 @@ pub union rte_ipv4_tuple__bindgen_ty_1 {
     _bindgen_union_align: u32,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash)]
+#[derive(Debug, Default, Copy, Hash, PartialEq)]
 pub struct rte_ipv4_tuple__bindgen_ty_1__bindgen_ty_1 {
     pub dport: u16,
     pub sport: u16,
@@ -112,7 +112,7 @@ pub union rte_ipv6_tuple__bindgen_ty_1 {
     _bindgen_union_align: u32,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash)]
+#[derive(Debug, Default, Copy, Hash, PartialEq)]
 pub struct rte_ipv6_tuple__bindgen_ty_1__bindgen_ty_1 {
     pub dport: u16,
     pub sport: u16,
diff --git a/tests/expectations/tests/16-byte-alignment_1_0.rs b/tests/expectations/tests/16-byte-alignment_1_0.rs
@@ -31,22 +31,25 @@ impl <T> ::std::fmt::Debug for __BindgenUnionField<T> {
 impl <T> ::std::hash::Hash for __BindgenUnionField<T> {
     fn hash<H: ::std::hash::Hasher>(&self, _state: &mut H) { }
 }
+impl <T> ::std::cmp::PartialEq for __BindgenUnionField<T> {
+    fn eq(&self, _other: &__BindgenUnionField<T>) -> bool { true }
+}
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash)]
+#[derive(Debug, Default, Copy, Hash, PartialEq)]
 pub struct rte_ipv4_tuple {
     pub src_addr: u32,
     pub dst_addr: u32,
     pub __bindgen_anon_1: rte_ipv4_tuple__bindgen_ty_1,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash)]
+#[derive(Debug, Default, Copy, Hash, PartialEq)]
 pub struct rte_ipv4_tuple__bindgen_ty_1 {
     pub __bindgen_anon_1: __BindgenUnionField<rte_ipv4_tuple__bindgen_ty_1__bindgen_ty_1>,
     pub sctp_tag: __BindgenUnionField<u32>,
     pub bindgen_union_field: u32,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash)]
+#[derive(Debug, Default, Copy, Hash, PartialEq)]
 pub struct rte_ipv4_tuple__bindgen_ty_1__bindgen_ty_1 {
     pub dport: u16,
     pub sport: u16,
@@ -119,21 +122,21 @@ impl Clone for rte_ipv4_tuple {
     fn clone(&self) -> Self { *self }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash)]
+#[derive(Debug, Default, Copy, Hash, PartialEq)]
 pub struct rte_ipv6_tuple {
     pub src_addr: [u8; 16usize],
     pub dst_addr: [u8; 16usize],
     pub __bindgen_anon_1: rte_ipv6_tuple__bindgen_ty_1,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash)]
+#[derive(Debug, Default, Copy, Hash, PartialEq)]
 pub struct rte_ipv6_tuple__bindgen_ty_1 {
     pub __bindgen_anon_1: __BindgenUnionField<rte_ipv6_tuple__bindgen_ty_1__bindgen_ty_1>,
     pub sctp_tag: __BindgenUnionField<u32>,
     pub bindgen_union_field: u32,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash)]
+#[derive(Debug, Default, Copy, Hash, PartialEq)]
 pub struct rte_ipv6_tuple__bindgen_ty_1__bindgen_ty_1 {
     pub dport: u16,
     pub sport: u16,
diff --git a/tests/expectations/tests/char.rs b/tests/expectations/tests/char.rs
@@ -8,7 +8,7 @@ pub type Char = ::std::os::raw::c_char;
 pub type SChar = ::std::os::raw::c_schar;
 pub type UChar = ::std::os::raw::c_uchar;
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash)]
+#[derive(Debug, Default, Copy, Hash, PartialEq)]
 pub struct Test {
     pub ch: ::std::os::raw::c_char,
     pub u: ::std::os::raw::c_uchar,
diff --git a/tests/expectations/tests/issue-493.rs b/tests/expectations/tests/issue-493.rs
@@ -31,16 +31,19 @@ impl <T> ::std::fmt::Debug for __BindgenUnionField<T> {
 impl <T> ::std::hash::Hash for __BindgenUnionField<T> {
     fn hash<H: ::std::hash::Hasher>(&self, _state: &mut H) { }
 }
+impl <T> ::std::cmp::PartialEq for __BindgenUnionField<T> {
+    fn eq(&self, _other: &__BindgenUnionField<T>) -> bool { true }
+}
 #[repr(C)]
-#[derive(Debug, Default, Copy, Clone, Hash)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq)]
 pub struct basic_string {
     pub _address: u8,
 }
 pub type basic_string_size_type = ::std::os::raw::c_ulonglong;
 pub type basic_string_value_type = ::std::os::raw::c_char;
 pub type basic_string_pointer = *mut basic_string_value_type;
 #[repr(C)]
-#[derive(Debug, Copy, Clone, Hash)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq)]
 pub struct basic_string___long {
     pub __cap_: basic_string_size_type,
     pub __size_: basic_string_size_type,
@@ -86,7 +89,7 @@ pub const basic_string___n_words: basic_string__bindgen_ty_2 =
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
 pub enum basic_string__bindgen_ty_2 { __n_words = 0, }
 #[repr(C)]
-#[derive(Debug, Copy, Clone, Hash)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq)]
 pub struct basic_string___raw {
     pub __words: *mut basic_string_size_type,
 }
diff --git a/tests/expectations/tests/issue-493_1_0.rs b/tests/expectations/tests/issue-493_1_0.rs
@@ -31,16 +31,19 @@ impl <T> ::std::fmt::Debug for __BindgenUnionField<T> {
 impl <T> ::std::hash::Hash for __BindgenUnionField<T> {
     fn hash<H: ::std::hash::Hasher>(&self, _state: &mut H) { }
 }
+impl <T> ::std::cmp::PartialEq for __BindgenUnionField<T> {
+    fn eq(&self, _other: &__BindgenUnionField<T>) -> bool { true }
+}
 #[repr(C)]
-#[derive(Debug, Default, Copy, Clone, Hash)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq)]
 pub struct basic_string {
     pub _address: u8,
 }
 pub type basic_string_size_type = ::std::os::raw::c_ulonglong;
 pub type basic_string_value_type = ::std::os::raw::c_char;
 pub type basic_string_pointer = *mut basic_string_value_type;
 #[repr(C)]
-#[derive(Debug, Copy, Clone, Hash)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq)]
 pub struct basic_string___long {
     pub __cap_: basic_string_size_type,
     pub __size_: basic_string_size_type,
@@ -55,13 +58,13 @@ pub const basic_string___min_cap: basic_string__bindgen_ty_1 =
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
 pub enum basic_string__bindgen_ty_1 { __min_cap = 0, }
 #[repr(C)]
-#[derive(Debug, Copy, Clone, Hash)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq)]
 pub struct basic_string___short {
     pub __bindgen_anon_1: basic_string___short__bindgen_ty_1,
     pub __data_: *mut basic_string_value_type,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Clone, Hash)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq)]
 pub struct basic_string___short__bindgen_ty_1 {
     pub __size_: __BindgenUnionField<::std::os::raw::c_uchar>,
     pub __lx: __BindgenUnionField<basic_string_value_type>,
@@ -86,7 +89,7 @@ pub const basic_string___n_words: basic_string__bindgen_ty_2 =
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
 pub enum basic_string__bindgen_ty_2 { __n_words = 0, }
 #[repr(C)]
-#[derive(Debug, Copy, Clone, Hash)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq)]
 pub struct basic_string___raw {
     pub __words: *mut basic_string_size_type,
 }
diff --git a/tests/expectations/tests/typeref.rs b/tests/expectations/tests/typeref.rs
@@ -24,7 +24,7 @@ impl Default for nsFoo {
     fn default() -> Self { unsafe { ::std::mem::zeroed() } }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash)]
+#[derive(Debug, Default, Copy, Hash, PartialEq)]
 pub struct mozilla_FragmentOrURL {
     pub mIsLocalRef: bool,
 }
@@ -46,7 +46,7 @@ impl Clone for mozilla_FragmentOrURL {
     fn clone(&self) -> Self { *self }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash)]
+#[derive(Debug, Default, Copy, Hash, PartialEq)]
 pub struct mozilla_Position {
     pub _address: u8,
 }
@@ -77,7 +77,7 @@ impl Default for mozilla_StyleShapeSource {
     fn default() -> Self { unsafe { ::std::mem::zeroed() } }
 }
 #[repr(C)]
-#[derive(Debug, Copy, Hash)]
+#[derive(Debug, Copy, Hash, PartialEq)]
 pub struct Bar {
     pub mFoo: *mut nsFoo,
 }
diff --git a/tests/expectations/tests/typeref_1_0.rs b/tests/expectations/tests/typeref_1_0.rs
@@ -31,8 +31,11 @@ impl <T> ::std::fmt::Debug for __BindgenUnionField<T> {
 impl <T> ::std::hash::Hash for __BindgenUnionField<T> {
     fn hash<H: ::std::hash::Hasher>(&self, _state: &mut H) { }
 }
+impl <T> ::std::cmp::PartialEq for __BindgenUnionField<T> {
+    fn eq(&self, _other: &__BindgenUnionField<T>) -> bool { true }
+}
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash)]
+#[derive(Debug, Default, Copy, Hash, PartialEq)]
 pub struct nsFoo {
     pub mBar: mozilla_StyleShapeSource,
 }
@@ -52,7 +55,7 @@ impl Clone for nsFoo {
     fn clone(&self) -> Self { *self }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash)]
+#[derive(Debug, Default, Copy, Hash, PartialEq)]
 pub struct mozilla_FragmentOrURL {
     pub mIsLocalRef: bool,
 }
@@ -74,7 +77,7 @@ impl Clone for mozilla_FragmentOrURL {
     fn clone(&self) -> Self { *self }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash)]
+#[derive(Debug, Default, Copy, Hash, PartialEq)]
 pub struct mozilla_Position {
     pub _address: u8,
 }
@@ -89,19 +92,19 @@ impl Clone for mozilla_Position {
     fn clone(&self) -> Self { *self }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Clone, Hash)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq)]
 pub struct mozilla_StyleShapeSource {
     pub __bindgen_anon_1: mozilla_StyleShapeSource__bindgen_ty_1,
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Clone, Hash)]
+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq)]
 pub struct mozilla_StyleShapeSource__bindgen_ty_1 {
     pub mPosition: __BindgenUnionField<*mut mozilla_Position>,
     pub mFragmentOrURL: __BindgenUnionField<*mut mozilla_FragmentOrURL>,
     pub bindgen_union_field: u64,
 }
 #[repr(C)]
-#[derive(Debug, Copy, Hash)]
+#[derive(Debug, Copy, Hash, PartialEq)]
 pub struct Bar {
     pub mFoo: *mut nsFoo,
 }
diff --git a/tests/expectations/tests/use-core.rs b/tests/expectations/tests/use-core.rs
@@ -6,7 +6,7 @@
 extern crate core;
 
 #[repr(C)]
-#[derive(Debug, Copy, Hash)]
+#[derive(Debug, Copy, Hash, PartialEq)]
 pub struct foo {
     pub a: ::std::os::raw::c_int,
     pub b: ::std::os::raw::c_int,
diff --git a/tests/expectations/tests/use-core_1_0.rs b/tests/expectations/tests/use-core_1_0.rs
@@ -32,8 +32,11 @@ impl <T> ::core::fmt::Debug for __BindgenUnionField<T> {
 impl <T> ::core::hash::Hash for __BindgenUnionField<T> {
     fn hash<H: ::core::hash::Hasher>(&self, _state: &mut H) { }
 }
+impl <T> ::core::cmp::PartialEq for __BindgenUnionField<T> {
+    fn eq(&self, _other: &__BindgenUnionField<T>) -> bool { true }
+}
 #[repr(C)]
-#[derive(Debug, Copy, Hash)]
+#[derive(Debug, Copy, Hash, PartialEq)]
 pub struct foo {
     pub a: ::std::os::raw::c_int,
     pub b: ::std::os::raw::c_int,
@@ -68,7 +71,7 @@ impl Default for foo {
     fn default() -> Self { unsafe { ::core::mem::zeroed() } }
 }
 #[repr(C)]
-#[derive(Debug, Default, Copy, Hash)]
+#[derive(Debug, Default, Copy, Hash, PartialEq)]
 pub struct _bindgen_ty_1 {
     pub bar: __BindgenUnionField<::std::os::raw::c_int>,
     pub baz: __BindgenUnionField<::std::os::raw::c_long>,
diff --git a/tests/headers/16-byte-alignment.h b/tests/headers/16-byte-alignment.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --with-derive-hash
+// bindgen-flags: --with-derive-hash --with-derive-partialeq
 
 typedef unsigned char uint8_t;
 typedef unsigned short uint16_t;
diff --git a/tests/headers/16-byte-alignment_1_0.h b/tests/headers/16-byte-alignment_1_0.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --rust-target 1.0 --with-derive-hash
+// bindgen-flags: --rust-target 1.0 --with-derive-hash --with-derive-partialeq
 
 typedef unsigned char uint8_t;
 typedef unsigned short uint16_t;
diff --git a/tests/headers/char.h b/tests/headers/char.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --with-derive-hash
+// bindgen-flags: --with-derive-hash --with-derive-partialeq
 //
 typedef char Char;
 typedef signed char SChar;
diff --git a/tests/headers/issue-493.hpp b/tests/headers/issue-493.hpp
@@ -1,5 +1,4 @@
-// bindgen-flags: --with-derive-hash
-
+// bindgen-flags: --with-derive-hash --with-derive-partialeq
 template<class _CharT, class _Traits, class _Allocator>
 class basic_string
 {
diff --git a/tests/headers/issue-493_1_0.hpp b/tests/headers/issue-493_1_0.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --rust-target 1.0 --with-derive-hash
+// bindgen-flags: --rust-target 1.0 --with-derive-hash --with-derive-partialeq
 
 template<class _CharT, class _Traits, class _Allocator>
 class basic_string
diff --git a/tests/headers/typeref.hpp b/tests/headers/typeref.hpp
@@ -1,5 +1,4 @@
-// bindgen-flags: --with-derive-hash
-
+// bindgen-flags: --with-derive-hash --with-derive-partialeq
 struct nsFoo;
 
 namespace mozilla {
diff --git a/tests/headers/typeref_1_0.hpp b/tests/headers/typeref_1_0.hpp
@@ -1,4 +1,4 @@
-// bindgen-flags: --rust-target 1.0 --with-derive-hash
+// bindgen-flags: --rust-target 1.0 --with-derive-hash --with-derive-partialeq
 
 struct nsFoo;
 
diff --git a/tests/headers/use-core.h b/tests/headers/use-core.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --use-core --raw-line "extern crate core;" --with-derive-hash
+// bindgen-flags: --use-core --raw-line "extern crate core;" --with-derive-hash --with-derive-partialeq
 
 struct foo {
   int a, b;
diff --git a/tests/headers/use-core_1_0.h b/tests/headers/use-core_1_0.h
@@ -1,4 +1,4 @@
-// bindgen-flags: --rust-target 1.0 --use-core --raw-line "extern crate core;" --with-derive-hash
+// bindgen-flags: --rust-target 1.0 --use-core --raw-line "extern crate core;" --with-derive-hash --with-derive-partialeq
 
 struct foo {
   int a, b;

Original file line number	Diff line number	Diff line change
`@@ -24,7 +24,7 @@ impl Default for nsFoo {`
`24`	`24`	`fn default() -> Self { unsafe { ::std::mem::zeroed() } }`
`25`	`25`	`}`
`26`	`26`	`#[repr(C)]`
`27`		`-#[derive(Debug, Default, Copy, Hash)]`
	`27`	`+#[derive(Debug, Default, Copy, Hash, PartialEq)]`
`28`	`28`	`pub struct mozilla_FragmentOrURL {`
`29`	`29`	`pub mIsLocalRef: bool,`
`30`	`30`	`}`
`@@ -46,7 +46,7 @@ impl Clone for mozilla_FragmentOrURL {`
`46`	`46`	`fn clone(&self) -> Self { *self }`
`47`	`47`	`}`
`48`	`48`	`#[repr(C)]`
`49`		`-#[derive(Debug, Default, Copy, Hash)]`
	`49`	`+#[derive(Debug, Default, Copy, Hash, PartialEq)]`
`50`	`50`	`pub struct mozilla_Position {`
`51`	`51`	`pub _address: u8,`
`52`	`52`	`}`
`@@ -77,7 +77,7 @@ impl Default for mozilla_StyleShapeSource {`
`77`	`77`	`fn default() -> Self { unsafe { ::std::mem::zeroed() } }`
`78`	`78`	`}`
`79`	`79`	`#[repr(C)]`
`80`		`-#[derive(Debug, Copy, Hash)]`
	`80`	`+#[derive(Debug, Copy, Hash, PartialEq)]`
`81`	`81`	`pub struct Bar {`
`82`	`82`	`pub mFoo: *mut nsFoo,`
`83`	`83`	`}`
Original file line number	Diff line number	Diff line change
`@@ -31,8 +31,11 @@ impl <T> ::std::fmt::Debug for __BindgenUnionField<T> {`
`31`	`31`	`impl <T> ::std::hash::Hash for __BindgenUnionField<T> {`
`32`	`32`	`fn hash<H: ::std::hash::Hasher>(&self, _state: &mut H) { }`
`33`	`33`	`}`
	`34`	`+impl <T> ::std::cmp::PartialEq for __BindgenUnionField<T> {`
	`35`	`+ fn eq(&self, _other: &__BindgenUnionField<T>) -> bool { true }`
	`36`	`+}`
`34`	`37`	`#[repr(C)]`
`35`		`-#[derive(Debug, Default, Copy, Hash)]`
	`38`	`+#[derive(Debug, Default, Copy, Hash, PartialEq)]`
`36`	`39`	`pub struct nsFoo {`
`37`	`40`	`pub mBar: mozilla_StyleShapeSource,`
`38`	`41`	`}`
`@@ -52,7 +55,7 @@ impl Clone for nsFoo {`
`52`	`55`	`fn clone(&self) -> Self { *self }`
`53`	`56`	`}`
`54`	`57`	`#[repr(C)]`
`55`		`-#[derive(Debug, Default, Copy, Hash)]`
	`58`	`+#[derive(Debug, Default, Copy, Hash, PartialEq)]`
`56`	`59`	`pub struct mozilla_FragmentOrURL {`
`57`	`60`	`pub mIsLocalRef: bool,`
`58`	`61`	`}`
`@@ -74,7 +77,7 @@ impl Clone for mozilla_FragmentOrURL {`
`74`	`77`	`fn clone(&self) -> Self { *self }`
`75`	`78`	`}`
`76`	`79`	`#[repr(C)]`
`77`		`-#[derive(Debug, Default, Copy, Hash)]`
	`80`	`+#[derive(Debug, Default, Copy, Hash, PartialEq)]`
`78`	`81`	`pub struct mozilla_Position {`
`79`	`82`	`pub _address: u8,`
`80`	`83`	`}`
`@@ -89,19 +92,19 @@ impl Clone for mozilla_Position {`
`89`	`92`	`fn clone(&self) -> Self { *self }`
`90`	`93`	`}`
`91`	`94`	`#[repr(C)]`
`92`		`-#[derive(Debug, Default, Copy, Clone, Hash)]`
	`95`	`+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq)]`
`93`	`96`	`pub struct mozilla_StyleShapeSource {`
`94`	`97`	`pub __bindgen_anon_1: mozilla_StyleShapeSource__bindgen_ty_1,`
`95`	`98`	`}`
`96`	`99`	`#[repr(C)]`
`97`		`-#[derive(Debug, Default, Copy, Clone, Hash)]`
	`100`	`+#[derive(Debug, Default, Copy, Clone, Hash, PartialEq)]`
`98`	`101`	`pub struct mozilla_StyleShapeSource__bindgen_ty_1 {`
`99`	`102`	`pub mPosition: __BindgenUnionField<*mut mozilla_Position>,`
`100`	`103`	`pub mFragmentOrURL: __BindgenUnionField<*mut mozilla_FragmentOrURL>,`
`101`	`104`	`pub bindgen_union_field: u64,`
`102`	`105`	`}`
`103`	`106`	`#[repr(C)]`
`104`		`-#[derive(Debug, Copy, Hash)]`
	`107`	`+#[derive(Debug, Copy, Hash, PartialEq)]`
`105`	`108`	`pub struct Bar {`
`106`	`109`	`pub mFoo: *mut nsFoo,`
`107`	`110`	`}`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-// bindgen-flags: --with-derive-hash`
	`1`	`+// bindgen-flags: --with-derive-hash --with-derive-partialeq`
`2`	`2`
`3`	`3`	`typedef unsigned char uint8_t;`
`4`	`4`	`typedef unsigned short uint16_t;`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-// bindgen-flags: --rust-target 1.0 --with-derive-hash`
	`1`	`+// bindgen-flags: --rust-target 1.0 --with-derive-hash --with-derive-partialeq`
`2`	`2`
`3`	`3`	`typedef unsigned char uint8_t;`
`4`	`4`	`typedef unsigned short uint16_t;`
Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,4 @@`
`1`		`-// bindgen-flags: --with-derive-hash`
`2`		`-`
	`1`	`+// bindgen-flags: --with-derive-hash --with-derive-partialeq`
`3`	`2`	`template<class _CharT, class _Traits, class _Allocator>`
`4`	`3`	`class basic_string`
`5`	`4`	`{`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-// bindgen-flags: --use-core --raw-line "extern crate core;" --with-derive-hash`
	`1`	`+// bindgen-flags: --use-core --raw-line "extern crate core;" --with-derive-hash --with-derive-partialeq`
`2`	`2`
`3`	`3`	`struct foo {`
`4`	`4`	`int a, b;`