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authorUnreal Hoang <[email protected]>2019-05-01 16:57:16 +0100
committerUnreal Hoang <[email protected]>2019-05-01 17:41:02 +0100
commitd1c21b85cf7c8ca55bf0f83f2359d9018e321705 (patch)
tree1b0dcbd9424ff205c0a472ecb1788d14c6c62836 /crates/ra_assists/src
parentf83e452b1e69e8a6cc0d36715651418e3ce50afb (diff)
add complex match case and documentation
Diffstat (limited to 'crates/ra_assists/src')
-rw-r--r--crates/ra_assists/src/move_guard_to_arm_body.rs42
1 files changed, 29 insertions, 13 deletions
diff --git a/crates/ra_assists/src/move_guard_to_arm_body.rs b/crates/ra_assists/src/move_guard_to_arm_body.rs
index d6240527f..a8ca19f5d 100644
--- a/crates/ra_assists/src/move_guard_to_arm_body.rs
+++ b/crates/ra_assists/src/move_guard_to_arm_body.rs
@@ -1,6 +1,4 @@
1use hir::{ 1use hir::db::HirDatabase;
2 db::HirDatabase,
3};
4use ra_syntax::{ 2use ra_syntax::{
5 TextUnit, 3 TextUnit,
6 SyntaxElement, 4 SyntaxElement,
@@ -17,9 +15,7 @@ pub(crate) fn move_guard_to_arm_body(mut ctx: AssistCtx<impl HirDatabase>) -> Op
17 15
18 let guard_conditions = guard.expr()?; 16 let guard_conditions = guard.expr()?;
19 let arm_expr = match_arm.expr()?; 17 let arm_expr = match_arm.expr()?;
20 let buf = format!("if {} {{ {} }}", 18 let buf = format!("if {} {{ {} }}", guard_conditions.syntax().text(), arm_expr.syntax().text());
21 guard_conditions.syntax().text(),
22 arm_expr.syntax().text());
23 19
24 ctx.add_action(AssistId("move_guard_to_arm_body"), "move guard to arm body", |edit| { 20 ctx.add_action(AssistId("move_guard_to_arm_body"), "move guard to arm body", |edit| {
25 edit.target(guard.syntax().range()); 21 edit.target(guard.syntax().range());
@@ -32,16 +28,13 @@ pub(crate) fn move_guard_to_arm_body(mut ctx: AssistCtx<impl HirDatabase>) -> Op
32 } else { 28 } else {
33 TextUnit::from(0) 29 TextUnit::from(0)
34 } 30 }
35 }, 31 }
36 _ => TextUnit::from(0) 32 _ => TextUnit::from(0),
37 }; 33 };
38 34
39 edit.delete(guard.syntax().range()); 35 edit.delete(guard.syntax().range());
40 edit.replace_node_and_indent(arm_expr.syntax(), buf); 36 edit.replace_node_and_indent(arm_expr.syntax(), buf);
41 edit.set_cursor( 37 edit.set_cursor(arm_expr.syntax().range().start() + TextUnit::from(3) - offseting_amount);
42 arm_expr.syntax().range().start() +
43 TextUnit::from(3) -
44 offseting_amount);
45 }); 38 });
46 ctx.build() 39 ctx.build()
47} 40}
@@ -93,7 +86,30 @@ mod tests {
93 _ => true 86 _ => true
94 } 87 }
95 } 88 }
96 "# 89 "#,
90 );
91 }
92
93 #[test]
94 fn move_guard_to_arm_body_works_complex_match() {
95 check_assist(
96 move_guard_to_arm_body,
97 r#"
98 fn f() {
99 match x {
100 <|>y @ 4 | y @ 5 if y > 5 => true,
101 _ => false
102 }
103 }
104 "#,
105 r#"
106 fn f() {
107 match x {
108 y @ 4 | y @ 5 => if y > 5 { <|>true },
109 _ => false
110 }
111 }
112 "#,
97 ); 113 );
98 } 114 }
99} 115}