Remove remove_blank_lines_at_start_or_end_of_block

cc #1974

Configurations.md

@@ -1991,45 +1991,6 @@ fn bar() {
 }
 ```
 
-## `remove_blank_lines_at_start_or_end_of_block`
-
-Remove blank lines at the start or the end of a block.
-
-- **Default value**: `true`
-- **Possible values**: `true`, `false`
-- **Stable**: No
-
-#### `true`
-
-```rust
-fn foo() {
-    let msg = {
-        let mut str = String::new();
-        str.push_str("hello, ");
-        str.push_str("world!");
-        str
-    };
-    println!("{}", msg);
-}
-```
-
-#### `false`
-
-```rust
-fn foo() {
-
-    let msg = {
-
-        let mut str = String::new();
-        str.push_str("hello, ");
-        str.push_str("world!");
-        str
-
-    };
-    println!("{}", msg);
-
-}
-```
 
 ## `required_version`
 

src/config/mod.rs

@@ -83,8 +83,6 @@ create_config! {
 
     // Misc.
     remove_nested_parens: bool, true, true, "Remove nested parens.";
-    remove_blank_lines_at_start_or_end_of_block: bool, true, false,
-        "Remove blank lines at start or end of a block";
     combine_control_expr: bool, true, false, "Combine control expressions with function calls.";
     struct_field_align_threshold: usize, 0, false, "Align struct fields if their diffs fits within \
                                              threshold.";

src/visitor.rs

@@ -128,7 +128,6 @@ impl<'b, 'a: 'b> FmtVisitor<'a> {
         self.block_indent = self.block_indent.block_indent(self.config);
         self.push_str("{");
 
-        if self.config.remove_blank_lines_at_start_or_end_of_block() {
         if let Some(first_stmt) = b.stmts.first() {
             let attr_lo = inner_attrs
                 .and_then(|attrs| inner_attributes(attrs).first().map(|attr| attr.span.lo()))
@@ -168,7 +167,6 @@ impl<'b, 'a: 'b> FmtVisitor<'a> {
                 self.last_pos = self.last_pos + BytePos::from_usize(len);
             }
         }
-        }
 
         // Format inner attributes if available.
         let skip_rewrite = if let Some(attrs) = inner_attrs {
@@ -195,7 +193,6 @@ impl<'b, 'a: 'b> FmtVisitor<'a> {
         }
 
         let mut remove_len = BytePos(0);
-        if self.config.remove_blank_lines_at_start_or_end_of_block() {
         if let Some(stmt) = b.stmts.last() {
             let snippet = self.snippet(mk_sp(
                 stmt.span.hi(),
@@ -214,7 +211,6 @@ impl<'b, 'a: 'b> FmtVisitor<'a> {
                 remove_len = BytePos::from_usize(len);
             }
         }
-        }
 
         let unindent_comment = (self.is_if_else_block && !b.stmts.is_empty()) && {
             let end_pos = source!(self, b.span).hi() - brace_compensation - remove_len;