Improve let snippet

Author: A4-Tacks

src/tools/rust-analyzer/crates/ide-completion/src/completions/expr.rs

@@ -369,8 +369,8 @@ pub(crate) fn complete_expr_path(
                     }
 
                     if in_block_expr {
-                        add_keyword("letm", "let mut $1 = $2;");
-                        add_keyword("let", "let $1 = $2;");
+                        add_keyword("letm", "let mut $1 = $0;");
+                        add_keyword("let", "let $1 = $0;");
                     }
 
                     if after_if_expr {

src/tools/rust-analyzer/crates/ide-completion/src/completions/keyword.rs

@@ -346,7 +346,7 @@ fn main() {
 "#,
             r#"
 fn main() {
-    let $1 = $2;
+    let $1 = $0;
 }
 "#,
         );
@@ -359,7 +359,7 @@ fn main() {
 "#,
             r#"
 fn main() {
-    let mut $1 = $2;
+    let mut $1 = $0;
 }
 "#,
         );
@@ -436,7 +436,7 @@ fn main() {
 "#,
             r#"
 fn main() {
-    if { let $1 = $2; } {}
+    if { let $1 = $0; } {}
 }
 "#,
         );
@@ -449,7 +449,7 @@ fn main() {
 "#,
             r#"
 fn main() {
-    if { let mut $1 = $2; } {}
+    if { let mut $1 = $0; } {}
 }
 "#,
         );