Represent unknown types as {unknown} instead of [unknown]

Since the latter could actually be a real type...

29 files changed, 172 insertions, 172 deletions

diff --git a/crates/ra_hir/src/ty.rs b/crates/ra_hir/src/ty.rs
index 78270a9b7..bad811a56 100644
--- a/crates/ra_hir/src/ty.rs
+++ b/crates/ra_hir/src/ty.rs
@@ -339,7 +339,7 @@ impl fmt::Display for Ty {
                 Ok(())
             }
             Ty::Param { name, .. } => write!(f, "{}", name),
-            Ty::Unknown => write!(f, "[unknown]"),
+            Ty::Unknown => write!(f, "{{unknown}}"),
             Ty::Infer(..) => write!(f, "_"),
         }
     }
diff --git a/crates/ra_hir/src/ty/snapshots/tests__bug_585.snap b/crates/ra_hir/src/ty/snapshots/tests__bug_585.snap
index e7b42e413..4b5630bb6 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__bug_585.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__bug_585.snap
@@ -1,15 +1,15 @@
 ---
-created: "2019-01-22T14:44:59.880187500+00:00"
-creator: [email protected]
+created: "2019-03-02T19:54:58.488684667Z"
+creator: [email protected]
+source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
-source: "crates\\ra_hir\\src\\ty\\tests.rs"
 ---
 [11; 89) '{     ...   } }': ()
-[17; 21) 'X {}': [unknown]
+[17; 21) 'X {}': {unknown}
 [27; 87) 'match ...     }': ()
-[33; 34) 'x': [unknown]
-[45; 52) 'A::B {}': [unknown]
+[33; 34) 'x': {unknown}
+[45; 52) 'A::B {}': {unknown}
 [56; 58) '()': ()
-[68; 74) 'A::Y()': [unknown]
+[68; 74) 'A::Y()': {unknown}
 [78; 80) '()': ()
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_associated_type_bound.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_associated_type_bound.snap
index 4dbde99f9..c9ec055f2 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_associated_type_bound.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_associated_type_bound.snap
@@ -1,10 +1,10 @@
 ---
-created: "2019-03-02T13:52:02.767222917Z"
+created: "2019-03-02T19:54:58.491748649Z"
 creator: [email protected]
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
 ---
 [67; 100) '{     ...own; }': ()
-[77; 78) 'y': [unknown]
-[90; 97) 'unknown': [unknown]
+[77; 78) 'y': {unknown}
+[90; 97) 'unknown': {unknown}
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_backwards.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_backwards.snap
index f5840a934..7d6091f6c 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_backwards.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_backwards.snap
@@ -1,25 +1,25 @@
 ---
-created: "2019-01-26T17:46:03.842478456+00:00"
-creator: [email protected]
-expression: "&result"
+created: "2019-03-02T19:54:58.494864698Z"
+creator: [email protected]
 source: crates/ra_hir/src/ty/tests.rs
+expression: "&result"
 ---
 [14; 15) 'x': u32
 [22; 24) '{}': ()
 [78; 231) '{     ...t &c }': &mut &f64
 [88; 89) 'a': u32
-[92; 108) 'unknow...nction': [unknown]
+[92; 108) 'unknow...nction': {unknown}
 [92; 110) 'unknow...tion()': u32
 [116; 125) 'takes_u32': fn takes_u32(u32) -> ()
 [116; 128) 'takes_u32(a)': ()
 [126; 127) 'a': u32
 [138; 139) 'b': i32
-[142; 158) 'unknow...nction': [unknown]
+[142; 158) 'unknow...nction': {unknown}
 [142; 160) 'unknow...tion()': i32
 [166; 184) 'S { i3...d: b }': S
 [181; 182) 'b': i32
 [194; 195) 'c': f64
-[198; 214) 'unknow...nction': [unknown]
+[198; 214) 'unknow...nction': {unknown}
 [198; 216) 'unknow...tion()': f64
 [222; 229) '&mut &c': &mut &f64
 [227; 229) '&c': &f64
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_binary_op.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_binary_op.snap
index 80ffe6e11..c8796b29b 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_binary_op.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_binary_op.snap
@@ -1,6 +1,6 @@
 ---
-created: "2019-02-18T07:03:52.524808301Z"
-creator: [email protected].2
+created: "2019-03-02T19:54:58.498001346Z"
+creator: [email protected].3
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
 ---
@@ -39,8 +39,8 @@ expression: "&result"
 [232; 238) 'z || y': bool
 [237; 238) 'y': bool
 [242; 243) '5': i32
-[253; 254) 'd': [unknown]
-[257; 258) 'b': [unknown]
+[253; 254) 'd': {unknown}
+[257; 258) 'b': {unknown}
 [268; 269) 'g': ()
 [272; 283) 'minus_forty': isize
 [272; 288) 'minus_...y ^= i': ()
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_call_trait_method_on_generic_param_1.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_call_trait_method_on_generic_param_1.snap
index c56e6ba42..183171b02 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_call_trait_method_on_generic_param_1.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_call_trait_method_on_generic_param_1.snap
@@ -1,5 +1,5 @@
 ---
-created: "2019-03-02T13:49:53.509955706Z"
+created: "2019-03-02T19:54:58.492145019Z"
 creator: [email protected]
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
@@ -7,5 +7,5 @@ expression: "&result"
 [59; 60) 't': T
 [65; 84) '{     ...d(); }': ()
 [71; 72) 't': T
-[71; 81) 't.method()': [unknown]
+[71; 81) 't.method()': {unknown}
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_call_trait_method_on_generic_param_2.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_call_trait_method_on_generic_param_2.snap
index 7791a57da..3b419d93c 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_call_trait_method_on_generic_param_2.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_call_trait_method_on_generic_param_2.snap
@@ -1,5 +1,5 @@
 ---
-created: "2019-03-02T13:49:53.477633667Z"
+created: "2019-03-02T19:54:58.495889098Z"
 creator: [email protected]
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
@@ -7,5 +7,5 @@ expression: "&result"
 [66; 67) 't': T
 [72; 91) '{     ...d(); }': ()
 [78; 79) 't': T
-[78; 88) 't.method()': [unknown]
+[78; 88) 't.method()': {unknown}
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_const.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_const.snap
index a5eba3980..5382cb71a 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_const.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_const.snap
@@ -1,12 +1,12 @@
 ---
-created: "2019-02-25T07:26:34.115351100Z"
+created: "2019-03-02T19:54:58.498050919Z"
 creator: [email protected]
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
 ---
 [95; 213) '{     ...NST; }': ()
-[138; 139) 'x': [unknown]
-[142; 153) 'LOCAL_CONST': [unknown]
+[138; 139) 'x': {unknown}
+[142; 153) 'LOCAL_CONST': {unknown}
 [163; 164) 'z': u32
 [167; 179) 'GLOBAL_CONST': u32
 [189; 191) 'id': u32
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_from_bound_1.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_from_bound_1.snap
index c8d8e9806..6ff04bd8f 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_from_bound_1.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_from_bound_1.snap
@@ -1,5 +1,5 @@
 ---
-created: "2019-03-02T13:49:53.558635265Z"
+created: "2019-03-02T19:54:58.513042571Z"
 creator: [email protected]
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
@@ -7,11 +7,11 @@ expression: "&result"
 [86; 87) 't': T
 [92; 94) '{}': ()
 [105; 144) '{     ...(s); }': ()
-[115; 116) 's': S<[unknown]>
-[119; 120) 'S': S<[unknown]>(T) -> S<T>
-[119; 129) 'S(unknown)': S<[unknown]>
-[121; 128) 'unknown': [unknown]
-[135; 138) 'foo': fn foo<S<[unknown]>>(T) -> ()
+[115; 116) 's': S<{unknown}>
+[119; 120) 'S': S<{unknown}>(T) -> S<T>
+[119; 129) 'S(unknown)': S<{unknown}>
+[121; 128) 'unknown': {unknown}
+[135; 138) 'foo': fn foo<S<{unknown}>>(T) -> ()
 [135; 141) 'foo(s)': ()
-[139; 140) 's': S<[unknown]>
+[139; 140) 's': S<{unknown}>
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_from_bound_2.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_from_bound_2.snap
index 37def29c3..8a0365145 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_from_bound_2.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_from_bound_2.snap
@@ -1,5 +1,5 @@
 ---
-created: "2019-03-02T13:49:53.572131028Z"
+created: "2019-03-02T19:54:58.520601712Z"
 creator: [email protected]
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
@@ -7,12 +7,12 @@ expression: "&result"
 [87; 88) 't': T
 [98; 100) '{}': ()
 [111; 163) '{     ...(s); }': ()
-[121; 122) 's': S<[unknown]>
-[125; 126) 'S': S<[unknown]>(T) -> S<T>
-[125; 135) 'S(unknown)': S<[unknown]>
-[127; 134) 'unknown': [unknown]
+[121; 122) 's': S<{unknown}>
+[125; 126) 'S': S<{unknown}>(T) -> S<T>
+[125; 135) 'S(unknown)': S<{unknown}>
+[127; 134) 'unknown': {unknown}
 [145; 146) 'x': u32
-[154; 157) 'foo': fn foo<u32, S<[unknown]>>(T) -> U
+[154; 157) 'foo': fn foo<u32, S<{unknown}>>(T) -> U
 [154; 160) 'foo(s)': u32
-[158; 159) 's': S<[unknown]>
+[158; 159) 's': S<{unknown}>
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_pattern.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_pattern.snap
index 1da46daf8..06ef0007c 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_pattern.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_pattern.snap
@@ -1,8 +1,8 @@
 ---
-created: "2019-01-22T14:45:00.037734500+00:00"
-creator: [email protected]
+created: "2019-03-02T19:54:58.538812297Z"
+creator: [email protected]
+source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
-source: "crates\\ra_hir\\src\\ty\\tests.rs"
 ---
 [9; 10) 'x': &i32
 [18; 369) '{     ...o_x; }': ()
@@ -20,21 +20,21 @@ source: "crates\\ra_hir\\src\\ty\\tests.rs"
 [84; 85) '1': i32
 [87; 94) '"hello"': &str
 [102; 152) 'for (e...     }': ()
-[106; 112) '(e, f)': ([unknown], [unknown])
-[107; 108) 'e': [unknown]
-[110; 111) 'f': [unknown]
-[116; 125) 'some_iter': [unknown]
+[106; 112) '(e, f)': ({unknown}, {unknown})
+[107; 108) 'e': {unknown}
+[110; 111) 'f': {unknown}
+[116; 125) 'some_iter': {unknown}
 [126; 152) '{     ...     }': ()
-[140; 141) 'g': [unknown]
-[144; 145) 'e': [unknown]
+[140; 141) 'g': {unknown}
+[144; 145) 'e': {unknown}
 [158; 205) 'if let...     }': ()
-[165; 170) '[val]': [unknown]
-[173; 176) 'opt': [unknown]
+[165; 170) '[val]': {unknown}
+[173; 176) 'opt': {unknown}
 [177; 205) '{     ...     }': ()
-[191; 192) 'h': [unknown]
-[195; 198) 'val': [unknown]
-[215; 221) 'lambda': [unknown]
-[224; 256) '|a: u6...b; c }': [unknown]
+[191; 192) 'h': {unknown}
+[195; 198) 'val': {unknown}
+[215; 221) 'lambda': {unknown}
+[224; 256) '|a: u6...b; c }': {unknown}
 [225; 226) 'a': u64
 [233; 234) 'b': u64
 [236; 237) 'c': i32
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_project_associated_type.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_project_associated_type.snap
index 6d5331799..e18815aba 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_project_associated_type.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_project_associated_type.snap
@@ -1,5 +1,5 @@
 ---
-created: "2019-03-02T13:49:53.680954394Z"
+created: "2019-03-02T19:54:58.534200832Z"
 creator: [email protected]
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
@@ -7,6 +7,6 @@ expression: "&result"
 [108; 181) '{     ...ter; }': ()
 [118; 119) 'x': i32
 [145; 146) '1': i32
-[156; 157) 'y': [unknown]
-[169; 178) 'no_matter': [unknown]
+[156; 157) 'y': {unknown}
+[169; 178) 'no_matter': {unknown}
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_static.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_static.snap
index 5d90f56ed..e6ae195c4 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_static.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_static.snap
@@ -1,14 +1,14 @@
 ---
-created: "2019-02-25T08:20:17.807316Z"
+created: "2019-03-02T19:54:58.534478182Z"
 creator: [email protected]
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
 ---
 [85; 280) '{     ...MUT; }': ()
-[173; 174) 'x': [unknown]
-[177; 189) 'LOCAL_STATIC': [unknown]
-[199; 200) 'y': [unknown]
-[203; 219) 'LOCAL_...IC_MUT': [unknown]
+[173; 174) 'x': {unknown}
+[177; 189) 'LOCAL_STATIC': {unknown}
+[199; 200) 'y': {unknown}
+[203; 219) 'LOCAL_...IC_MUT': {unknown}
 [229; 230) 'z': u32
 [233; 246) 'GLOBAL_STATIC': u32
 [256; 257) 'w': u32
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_std_crash_1.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_std_crash_1.snap
index 4b99788e4..56b63cbe7 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_std_crash_1.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_std_crash_1.snap
@@ -1,13 +1,13 @@
 ---
-created: "2019-02-09T16:56:24.803326529Z"
-creator: [email protected].1
+created: "2019-03-02T19:54:58.539061212Z"
+creator: [email protected].3
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
 ---
 [54; 139) '{     ...   } }': ()
 [60; 137) 'match ...     }': ()
-[66; 83) 'someth...nknown': Maybe<[unknown]>
-[94; 124) 'Maybe:...thing)': Maybe<[unknown]>
-[106; 123) 'ref mu...ething': &mut [unknown]
+[66; 83) 'someth...nknown': Maybe<{unknown}>
+[94; 124) 'Maybe:...thing)': Maybe<{unknown}>
+[106; 123) 'ref mu...ething': &mut {unknown}
 [128; 130) '()': ()
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_std_crash_3.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_std_crash_3.snap
index d15b77e17..fd47f80b7 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_std_crash_3.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_std_crash_3.snap
@@ -1,13 +1,13 @@
 ---
-created: "2019-02-09T18:02:37.377591660Z"
-creator: [email protected].1
+created: "2019-03-02T19:54:58.534201681Z"
+creator: [email protected].3
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
 ---
 [18; 102) '{     ...   } }': ()
 [24; 100) 'match ...     }': ()
-[42; 88) 'SizeSk...tail }': [unknown]
-[76; 80) 'true': [unknown]
-[82; 86) 'tail': [unknown]
+[42; 88) 'SizeSk...tail }': {unknown}
+[76; 80) 'true': {unknown}
+[82; 86) 'tail': {unknown}
 [92; 94) '{}': ()
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_std_crash_4.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_std_crash_4.snap
index fb31883ce..14254c46a 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_std_crash_4.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_std_crash_4.snap
@@ -1,16 +1,16 @@
 ---
-created: "2019-02-09T19:55:39.712470520Z"
-creator: [email protected].1
+created: "2019-03-02T19:54:58.539815103Z"
+creator: [email protected].3
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
 ---
 [25; 110) '{     ...   } }': ()
 [31; 108) 'match ...     }': ()
-[37; 42) '*self': [unknown]
-[38; 42) 'self': [unknown]
-[53; 95) 'Borrow...), ..}': [unknown]
-[74; 77) 'box': [unknown]
-[78; 87) 'Primitive': [unknown]
-[88; 89) 'p': [unknown]
+[37; 42) '*self': {unknown}
+[38; 42) 'self': {unknown}
+[53; 95) 'Borrow...), ..}': {unknown}
+[74; 77) 'box': {unknown}
+[78; 87) 'Primitive': {unknown}
+[88; 89) 'p': {unknown}
 [99; 101) '{}': ()
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_std_crash_5.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_std_crash_5.snap
index 6bbf59fb6..27853bf1a 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_std_crash_5.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_std_crash_5.snap
@@ -1,30 +1,30 @@
 ---
-created: "2019-02-09T20:28:37.294693728Z"
-creator: [email protected].1
+created: "2019-03-02T19:54:58.546324340Z"
+creator: [email protected].3
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
 ---
 [27; 323) '{     ...   } }': ()
 [33; 321) 'for co...     }': ()
-[37; 44) 'content': &[unknown]
-[48; 61) 'doesnt_matter': [unknown]
+[37; 44) 'content': &{unknown}
+[48; 61) 'doesnt_matter': {unknown}
 [62; 321) '{     ...     }': ()
-[76; 80) 'name': &&[unknown]
-[83; 167) 'if doe...     }': &&[unknown]
+[76; 80) 'name': &&{unknown}
+[83; 167) 'if doe...     }': &&{unknown}
 [86; 99) 'doesnt_matter': bool
-[100; 129) '{     ...     }': &&[unknown]
-[114; 119) 'first': &&[unknown]
-[135; 167) '{     ...     }': &&[unknown]
-[149; 157) '&content': &&[unknown]
-[150; 157) 'content': &[unknown]
-[182; 189) 'content': &&[unknown]
-[192; 314) 'if ICE...     }': &&[unknown]
-[195; 232) 'ICE_RE..._VALUE': [unknown]
+[100; 129) '{     ...     }': &&{unknown}
+[114; 119) 'first': &&{unknown}
+[135; 167) '{     ...     }': &&{unknown}
+[149; 157) '&content': &&{unknown}
+[150; 157) 'content': &{unknown}
+[182; 189) 'content': &&{unknown}
+[192; 314) 'if ICE...     }': &&{unknown}
+[195; 232) 'ICE_RE..._VALUE': {unknown}
 [195; 248) 'ICE_RE...&name)': bool
-[242; 247) '&name': &&&[unknown]
-[243; 247) 'name': &&[unknown]
-[249; 277) '{     ...     }': &&[unknown]
-[263; 267) 'name': &&[unknown]
-[283; 314) '{     ...     }': &[unknown]
-[297; 304) 'content': &[unknown]
+[242; 247) '&name': &&&{unknown}
+[243; 247) 'name': &&{unknown}
+[249; 277) '{     ...     }': &&{unknown}
+[263; 267) 'name': &&{unknown}
+[283; 314) '{     ...     }': &{unknown}
+[297; 304) 'content': &{unknown}
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_trait_assoc_method.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_trait_assoc_method.snap
index c09e1cf44..b36d0ecda 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_trait_assoc_method.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_trait_assoc_method.snap
@@ -1,17 +1,17 @@
 ---
-created: "2019-03-02T13:49:53.756157395Z"
+created: "2019-03-02T19:54:58.553776959Z"
 creator: [email protected]
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
 ---
 [87; 193) '{     ...t(); }': ()
 [97; 99) 's1': S
-[105; 121) 'Defaul...efault': [unknown]
+[105; 121) 'Defaul...efault': {unknown}
 [105; 123) 'Defaul...ault()': S
-[133; 135) 's2': [unknown]
-[138; 148) 'S::default': [unknown]
-[138; 150) 'S::default()': [unknown]
-[160; 162) 's3': [unknown]
-[165; 188) '<S as ...efault': [unknown]
-[165; 190) '<S as ...ault()': [unknown]
+[133; 135) 's2': {unknown}
+[138; 148) 'S::default': {unknown}
+[138; 150) 'S::default()': {unknown}
+[160; 162) 's3': {unknown}
+[165; 188) '<S as ...efault': {unknown}
+[165; 190) '<S as ...ault()': {unknown}
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_trait_method_generic_1.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_trait_method_generic_1.snap
index a71dbaf00..a41cb25ef 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_trait_method_generic_1.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_trait_method_generic_1.snap
@@ -1,11 +1,11 @@
 ---
-created: "2019-03-02T13:49:53.771466423Z"
+created: "2019-03-02T19:54:58.552107676Z"
 creator: [email protected]
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
 ---
-[33; 37) 'self': &[unknown]
+[33; 37) 'self': &{unknown}
 [92; 111) '{     ...d(); }': ()
 [98; 99) 'S': S
-[98; 108) 'S.method()': [unknown]
+[98; 108) 'S.method()': {unknown}
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_trait_method_generic_2.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_trait_method_generic_2.snap
index 4b28cb32a..6b9380254 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_trait_method_generic_2.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_trait_method_generic_2.snap
@@ -1,13 +1,13 @@
 ---
-created: "2019-03-02T13:49:53.765202736Z"
+created: "2019-03-02T19:54:58.555503703Z"
 creator: [email protected]
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
 ---
-[33; 37) 'self': &[unknown]
+[33; 37) 'self': &{unknown}
 [102; 127) '{     ...d(); }': ()
 [108; 109) 'S': S<u32>(T) -> S<T>
 [108; 115) 'S(1u32)': S<u32>
-[108; 124) 'S(1u32...thod()': [unknown]
+[108; 124) 'S(1u32...thod()': {unknown}
 [110; 114) '1u32': u32
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_trait_method_scoped.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_trait_method_scoped.snap
index f2cce656d..d53ae14fc 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_trait_method_scoped.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_trait_method_scoped.snap
@@ -1,15 +1,15 @@
 ---
-created: "2019-03-02T15:41:07.568155273Z"
+created: "2019-03-02T19:54:58.562251445Z"
 creator: [email protected]
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
 ---
-[63; 67) 'self': &[unknown]
-[169; 173) 'self': &[unknown]
+[63; 67) 'self': &{unknown}
+[169; 173) 'self': &{unknown}
 [300; 337) '{     ...     }': ()
 [310; 311) 'S': S
-[310; 320) 'S.method()': [unknown]
+[310; 320) 'S.method()': {unknown}
 [416; 454) '{     ...     }': ()
 [426; 427) 'S': S
-[426; 436) 'S.method()': [unknown]
+[426; 436) 'S.method()': {unknown}
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_trait_method_simple.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_trait_method_simple.snap
index 22e83722d..ff1c483f1 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_trait_method_simple.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_trait_method_simple.snap
@@ -1,14 +1,14 @@
 ---
-created: "2019-03-02T15:41:07.562949721Z"
+created: "2019-03-02T19:54:58.558393608Z"
 creator: [email protected]
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
 ---
-[31; 35) 'self': &[unknown]
-[110; 114) 'self': &[unknown]
+[31; 35) 'self': &{unknown}
+[110; 114) 'self': &{unknown}
 [170; 228) '{     ...i128 }': ()
 [176; 178) 'S1': S1
-[176; 187) 'S1.method()': [unknown]
+[176; 187) 'S1.method()': {unknown}
 [203; 205) 'S2': S2
-[203; 214) 'S2.method()': [unknown]
+[203; 214) 'S2.method()': {unknown}
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_tuple_struct_generics.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_tuple_struct_generics.snap
index 783795cfd..5246794fe 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_tuple_struct_generics.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_tuple_struct_generics.snap
@@ -1,6 +1,6 @@
 ---
-created: "2019-02-20T21:31:12.911275141Z"
-creator: [email protected].2
+created: "2019-03-02T19:54:58.566211313Z"
+creator: [email protected].3
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
 ---
@@ -17,7 +17,7 @@ expression: "&result"
 [124; 136) 'Option::Some': Some<&str>(T) -> Option<T>
 [124; 141) 'Option...e("x")': Option<&str>
 [137; 140) '"x"': &str
-[147; 151) 'None': Option<[unknown]>
+[147; 151) 'None': Option<{unknown}>
 [161; 162) 'x': Option<i64>
 [178; 182) 'None': Option<i64>
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_unary_op.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_unary_op.snap
index 5021d0eeb..ce0d3c60d 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_unary_op.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_unary_op.snap
@@ -1,8 +1,8 @@
 ---
-created: "2019-01-28T14:51:16.185273502+00:00"
-creator: [email protected]
-expression: "&result"
+created: "2019-03-02T19:54:58.571163594Z"
+creator: [email protected]
 source: crates/ra_hir/src/ty/tests.rs
+expression: "&result"
 ---
 [27; 28) 'x': SomeType
 [40; 272) '{     ...lo"; }': ()
@@ -37,12 +37,12 @@ source: crates/ra_hir/src/ty/tests.rs
 [213; 217) '3.14': f64
 [223; 225) '!3': i32
 [224; 225) '3': i32
-[231; 233) '-x': [unknown]
+[231; 233) '-x': {unknown}
 [232; 233) 'x': SomeType
-[239; 241) '!x': [unknown]
+[239; 241) '!x': {unknown}
 [240; 241) 'x': SomeType
-[247; 255) '-"hello"': [unknown]
+[247; 255) '-"hello"': {unknown}
 [248; 255) '"hello"': &str
-[261; 269) '!"hello"': [unknown]
+[261; 269) '!"hello"': {unknown}
 [262; 269) '"hello"': &str
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__infer_with_multiple_trait_impls.snap b/crates/ra_hir/src/ty/snapshots/tests__infer_with_multiple_trait_impls.snap
index 82c8bae58..a7704ecce 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__infer_with_multiple_trait_impls.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__infer_with_multiple_trait_impls.snap
@@ -1,10 +1,10 @@
 ---
-created: "2019-03-02T13:49:53.860659428Z"
+created: "2019-03-02T19:54:58.573565546Z"
 creator: [email protected]
 source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
 ---
-[29; 33) 'self': [unknown]
+[29; 33) 'self': {unknown}
 [107; 198) '{     ...(S); }': ()
 [117; 118) 'x': u32
 [126; 127) 'S': S
@@ -12,8 +12,8 @@ expression: "&result"
 [144; 145) 'y': u64
 [153; 154) 'S': S
 [153; 161) 'S.into()': u64
-[171; 172) 'z': [unknown]
-[175; 192) 'Into::...::into': [unknown]
-[175; 195) 'Into::...nto(S)': [unknown]
+[171; 172) 'z': {unknown}
+[175; 192) 'Into::...::into': {unknown}
+[175; 195) 'Into::...nto(S)': {unknown}
 [193; 194) 'S': S
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__no_panic_on_field_of_enum.snap b/crates/ra_hir/src/ty/snapshots/tests__no_panic_on_field_of_enum.snap
index b6f404b4c..cf0dc719e 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__no_panic_on_field_of_enum.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__no_panic_on_field_of_enum.snap
@@ -1,11 +1,11 @@
 ---
-created: "2019-01-22T14:45:00.058678600+00:00"
-creator: [email protected]
+created: "2019-03-02T19:54:58.571647281Z"
+creator: [email protected]
+source: crates/ra_hir/src/ty/tests.rs
 expression: "&result"
-source: "crates\\ra_hir\\src\\ty\\tests.rs"
 ---
 [20; 21) 'x': X
 [26; 47) '{     ...eld; }': ()
 [32; 33) 'x': X
-[32; 44) 'x.some_field': [unknown]
+[32; 44) 'x.some_field': {unknown}
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__recursive_vars.snap b/crates/ra_hir/src/ty/snapshots/tests__recursive_vars.snap
index c3227ff7e..1a4388b50 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__recursive_vars.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__recursive_vars.snap
@@ -1,14 +1,14 @@
 ---
-created: "2019-01-26T22:42:22.329980185+00:00"
-creator: [email protected]
-expression: "&result"
+created: "2019-03-02T19:54:58.571823250Z"
+creator: [email protected]
 source: crates/ra_hir/src/ty/tests.rs
+expression: "&result"
 ---
 [11; 48) '{     ...&y]; }': ()
-[21; 22) 'y': &[unknown]
-[25; 32) 'unknown': &[unknown]
-[38; 45) '[y, &y]': [&&[unknown]]
-[39; 40) 'y': &[unknown]
-[42; 44) '&y': &&[unknown]
-[43; 44) 'y': &[unknown]
+[21; 22) 'y': &{unknown}
+[25; 32) 'unknown': &{unknown}
+[38; 45) '[y, &y]': [&&{unknown}]
+[39; 40) 'y': &{unknown}
+[42; 44) '&y': &&{unknown}
+[43; 44) 'y': &{unknown}
 
diff --git a/crates/ra_hir/src/ty/snapshots/tests__recursive_vars_2.snap b/crates/ra_hir/src/ty/snapshots/tests__recursive_vars_2.snap
index de124da5b..444644639 100644
--- a/crates/ra_hir/src/ty/snapshots/tests__recursive_vars_2.snap
+++ b/crates/ra_hir/src/ty/snapshots/tests__recursive_vars_2.snap
@@ -1,21 +1,21 @@
 ---
-created: "2019-01-26T22:42:22.331805845+00:00"
-creator: [email protected]
-expression: "&result"
+created: "2019-03-02T19:54:58.575200890Z"
+creator: [email protected]
 source: crates/ra_hir/src/ty/tests.rs
+expression: "&result"
 ---
 [11; 80) '{     ...x)]; }': ()
-[21; 22) 'x': &&[unknown]
-[25; 32) 'unknown': &&[unknown]
-[42; 43) 'y': &&[unknown]
-[46; 53) 'unknown': &&[unknown]
-[59; 77) '[(x, y..., &x)]': [(&&[unknown], &&[unknown])]
-[60; 66) '(x, y)': (&&[unknown], &&[unknown])
-[61; 62) 'x': &&[unknown]
-[64; 65) 'y': &&[unknown]
-[68; 76) '(&y, &x)': (&&&[unknown], &&&[unknown])
-[69; 71) '&y': &&&[unknown]
-[70; 71) 'y': &&[unknown]
-[73; 75) '&x': &&&[unknown]
-[74; 75) 'x': &&[unknown]
+[21; 22) 'x': &&{unknown}
+[25; 32) 'unknown': &&{unknown}
+[42; 43) 'y': &&{unknown}
+[46; 53) 'unknown': &&{unknown}
+[59; 77) '[(x, y..., &x)]': [(&&{unknown}, &&{unknown})]
+[60; 66) '(x, y)': (&&{unknown}, &&{unknown})
+[61; 62) 'x': &&{unknown}
+[64; 65) 'y': &&{unknown}
+[68; 76) '(&y, &x)': (&&&{unknown}, &&&{unknown})
+[69; 71) '&y': &&&{unknown}
+[70; 71) 'y': &&{unknown}
+[73; 75) '&x': &&&{unknown}
+[74; 75) 'x': &&{unknown}
 
diff --git a/crates/ra_ide_api/src/hover.rs b/crates/ra_ide_api/src/hover.rs
index 4722206e2..8ec60090d 100644
--- a/crates/ra_ide_api/src/hover.rs
+++ b/crates/ra_ide_api/src/hover.rs
@@ -474,7 +474,7 @@ mod tests {
         );
 
         let type_name = analysis.type_of(range).unwrap().unwrap();
-        assert_eq!("[unknown]", &type_name);
+        assert_eq!("{unknown}", &type_name);
     }
 
     #[test]